[wpdreams_ajaxsearchlite]
Mustad 94840 hook silhouette
Hook Reference › O. Mustad & Son Hooks › Mustad Hooks – 94840

Mustad 94840

Mustad 94840c. 1950–1965
Turned Down Tapered EyeVikingStandard shankStandard wireForgedHollow PointBronzed

Save this hook to your account to build a list you can come back to.

Record summary

The Mustad 94840 is a Norwegian-manufactured dry fly and nymph hook in size 10, produced circa 1950–1965, with a round Kendal-style bend, tapered turned-down eye, standard wire gauge, and bronzed finish. Its defining feature is forged straight construction paired with a hollow point geometry—a knife-edge profile that concentrates penetrating force on delicate trout mouth tissue while minimizing tippet strain, solving the central problem of light-leader fly fishing. The round bend provides ample gap and neutral water attitude without the pronounced curve of a Sproat, accommodating a broad range of traditional dry fly body profiles. The 94840 became the standard pattern for American stream fly tyers from the Catskill tradition through mid-century because Mustad industrialized a hollow-point design rooted in 19th-century Redditch craft production, making efficient hook-setting force achievable on gossamer leaders.

Mustad 94840 — cardstock package label with eight-line typography, Key Brand logo, ornamental border — size 10 — bronzed finish, Oslo origin, c. 1950-1965
Original cardstock sales card label for the Mustad 94840 Viking Hooks, size 10, bronzed, showing the formalized eight-line typography system, Key Brand logo, and red-ink branding characteristic of mid-century Norwegian export packaging.

Photographic record

3 cataloged imagesSelect any record to load it above.

3 images shown

Mustad 94840 Size 10 Original Package Label Original cardstock sales card label for the Mustad 94840 Viking Hooks, size 10, bronzed, showing the formalized eight-line typography system, Key Brand logo, and red-ink branding characteristic of mid-century Norwegian export packaging. Open original
Mustad 94840 Size 10 Hook Profiles Side-by-side view of two Mustad 94840 hooks (size 10, bronzed) on 1/10-inch measurement grid, showing consistent Sproat bend geometry and forged shank profile across examples. Open original
Mustad 94840 Size 10 Point Detail Magnified close-up of the Mustad 94840 point showing the characteristic hollow point geometry with concave inner taper, acute barb angle, and bronze-finish preservation. Point is designed for rapid tissue penetration with minimal applied force. Open original

Technical profile

Eye
Tapered Eye, Turned Down Tapered-eye construction formed by wire tapering to a fine point; no ball evident. Eye opening ~0.015"-0.018" (0.38-0.46 mm). Taper angle is acute, characteristic of 1950s-1960s Mustad production. P
Wire
Standard, Forged
Shank
Standard — Plain
Bend
viking, Standard gap Round bend (Kendal-style) with smooth, symmetrical curve across the bottom — not pointed or angular like a Limerick, and not shallow like an Aberdeen. Bend sits perpendicular to shank plane (straight, not kirbed). Forging visible as slight flattening of wire cross-section in bend radius. P
Point
Hollow Point (concave inner face) Small, close-cut barb positioned slightly behind point tip. Barb angle is acute (approximately 15–20 degrees to shank axis). Barb height ~0.012"-0.015" (0.30-0.38 mm) relative to point inner taper. P
Finish
Bronzed — Confirmed (stated on packaging) Warm bronze finish with uniform color across specimen. No bright spots, rust bloom, or lacquer flaking evident. Finish tone consistent with 1950s-1960s Mustad bronzing standards. Light oxidation patina acceptable for age. P
Specimen hooks show no corrosion, damage, or bending. Both hooks examined are bright and sharp. Original cardstock packaging shows light toning and edge wear consistent with age; label text remains legible. No missing hooks from card.

Forged Straight Construction: ‘Forged’ refers to lateral compression of the bend (and shank) between dies during manufacture, which flattens the wire cross-section and distributes stress more evenly than cold-formed hooks — improving durability under repeated casting and strike forces. ‘Straight’ indicates the point is not offset (kirbed) left or right; the point lies in the same plane as the shank. Together these terms describe manufacturing method and geometry, not quality grade.

Hollow Point Geometry: The concave inner face of the hollow point (knife-edge profile) concentrates force at a fine line, allowing the point to penetrate delicate fish mouth tissue with minimal applied pressure. This design became Mustad’s standard for freshwater dry flies because it reduced hook-setting force requirement — critical when using light tippet and small flies. Mustad industrialized the hollow point in the 1930s–1940s, adopting a geometry with roots in Redditch craft production (Allcock, Sealey, and other 19th-century makers all produced hollow-point patterns).

Round Bend Profile: The gentle, symmetrical curve of the round bend provides a wide bite (gap) relative to shank length, allowing the hook to accommodate a broad range of fly body profiles and to ride level in the water without bias. Unlike the parabolic sweep of a Sproat bend, the round bend maintains nearly constant curvature from barb to eye, making it slightly easier to tie smaller dry flies without the wire fouling on the shank.

Size & scale lab

Physical specimen Catalog record
Selected size 8
Catalog record
Overall Length
18.5 mm
Shank Length
12.7 mm
Bend Depth
7.4 mm
Wire Diameter
0.76 mm
Confidence
V Catalog record only
Calibrated SVG True-scale preview

Cumulative Records

This entry documents one of the earliest and most thoroughly preserved examples of the Mustad 94840 in the garrenwood.com catalog. The specimen features original Norwegian export packaging with no barcode (pre-1974), formal letterpress typography, and intact 100-hook count — a complete and well-documented example of mid-century Mustad production standards. The original card serves as a primary source for era-dating methodology and export-market branding conventions.

Sources & Documentation

Sources: this specimen and its packaging.

Historical context

O. Mustad & Son

Read the maker’s history →

Series History

The Mustad 94840 is fundamentally a standalone model within Mustad’s product architecture, rather than a member of a formal product series. However, it is contextually part of the broader ‘Standard Round-Bend Dry Fly’ category that Mustad maintained across multiple code generations and geographic markets.

Historical Development: The 94840 was introduced during Mustad’s post-WWII product rationalization (c. 1945–1950) as a standardized round-bend dry fly hook suitable for both European and North American markets. It was designed to compete with British Redditch alternatives (Allcock Model Perfect, Partridge Cahill, S. Allcock O’Shaughnessy) and to capture the emerging American Catskill fly-tying tradition, where tyers were transitioning from British imports to Mustad’s more affordable industrialized product. The 94840 succeeded in this market niche almost immediately, becoming the default choice for small-to-medium trout dry flies across Scandinavia, North America, and the UK.

Variant Family and Specifications: The 94840 spawned or coexisted with several closely related patterns: 94842 (up-eye variant), 94831/94833 (fine-wire variants), 94845 (barbless). These were marketed as a family under the broader Mustad-Viking export brand, though individual cards did not typically reference the family relationship. The variants allowed tyers to select the 94840 geometry with different eye orientations or wire gauges for specialized applications.

Signature Series Rationalization (1970s): In the 1970s, Mustad introduced the Signature Series R-code naming system, which assigned the 94840 the designation R50-94840 (R = round bend, 5 = standard wire, 0 = standard shank). This renaming was largely administrative — the hook itself remained functionally identical — but it signaled Mustad’s shift toward systematized product nomenclature and improved inventory management. R50-94840 cards are visually and functionally indistinguishable from vintage 94840 cards in the field.

Heritage Series and Modern Successors (c. 2010–Present): The R50-94840 designation was eventually superseded by the Heritage Series R50AP, which maintains the round-bend, standard-wire, standard-shank geometry but introduces modern manufacturing innovations: TitanX matte gun-metal finish (more corrosion-resistant than bronze), AlphaPoint point geometry (proprietary hollow-point design), and updated eye taper proportions optimized for modern synthetic tying materials. The transition was gradual; R50-94840 cards continued in production well into the 2000s before phase-out.

Production Continuity and Catalog Status: The 94840 (in its R50-94840 and R50AP avatars) has remained in continuous production since c. 1945, making it one of Mustad’s longest-lived hook patterns. Current retail availability (as of 2024) is through Mustad’s Heritage Series and selected specialty dealers, ensuring that the hook remains accessible to both vintage users seeking period-correct equipment and modern tyers who favor the geometry. No formal discontinuation of the round-bend 94840-lineage geometry has been announced.

Era and Packaging Dating

No barcode present on packaging — strong indicator of pre-1974 production. Typography: eight-line formal label with ornamental border (flouron dingbat), olive-green letterpress ink, characteristic of mid-century Norwegian export cards. Red ink branding for 'Mustad-Viking Hooks' suggests premium export line designation from post-WWII rationalization period. 'Oslo - Norway' address without postal code (modern Norwegian postal codes not standardized until 1960s rollout; pre-1965 export cards rarely included them). 'Made in Norway' and 'Gjøvik' reference confirm Norwegian manufacture. Bronze finish standard during this period (blued finish was primary competitor in early 1960s, but bronzed remained dominant for Norwegian dry fly exports). Mustad's Signature Series (R50-94840) designation introduced later (c. 1970s); this card predates that rationalization. Card stock quality and print durability consistent with 1950s–early 1960s production standards.

Walt Dette and the Catskill Standard

Walt Dette opened Dette Flies in 1928 and became legendarily associated with the Mustad 94840, tying it into countless Catskill dry fly patterns — Adams, Hendrickson, March Brown. However, 'exclusively' overstates the early association. In the late 1920s and 1930s, American fly tyers still defaulted to British hooks (Allcock, Hardy Pryce-Tannatt eyed patterns). The 94840's dominance in Catskill tradition likely consolidated post-WWII, once Mustad's U.S. distribution matured and the Auburn, NY facility (acquired 1952) began packaging hooks domestically. Dette Flies archive materials and Eric Leiser's The Dettes: A Catskill Legend suggest the 94840 became the house standard by the 1940s–1950s, not exclusively from the 1930s. This makes the 94840 not just a hook, but a bridge between European craft tradition and American tying vernacular.

Cross-reference & comparisons

Dry Fly Wet Fly Nymph

Primary Application

The Mustad 94840 is a standard dry fly hook designed for small to medium trout streams. Its round bend, moderate gap, and fine wire combine to support classic dry fly silhouettes — mayflies, caddisflies, and small stoneflies — while the forged construction provides strength for repeated casting. The hollow point penetrates quickly with minimal force, ideal for delicate presentation to selective trout.

Secondary Applications

The 94840 is occasionally used for small wet flies and soft-hackle patterns, though it was designed primarily for dry flies. Some modern tyers substitute it for emerger and cripple patterns where its fine wire and moderate gap provide sensitivity.

Classic Fly Patterns

Adams, Hendrickson, March Brown, Quill Gordon, Grey Fox, Royal Wulff, Light Cahill, Blue Dun, Pale Evening Dun, Sulphur Dun, Rusty Spinner

Modern Equivalents

HookMatch QualityNotes
Tiemco TMC 100 Excellent Round-bend dry fly hook, standard wire, tapered eye. Direct functional equivalent. Slightly finer wire gauge in some production batches; otherwise geometrically identical to 94840. Modern competitor in Catskill tying.
Daiichi 1170 Excellent Round-bend dry fly, standard wire, tapered eye. Equivalent bend profile and gap. Slightly shorter shank in some sizes (1170 tends shorter than 94840 in size 10–14); otherwise functionally interchangeable.
Dai-Riki 300 Very Good Round-bend dry fly, fine wire, tapered eye. Lighter wire than 94840 standard but same bend family. Suitable for smaller dry flies (size 14–20) where 94840 standard wire would be excessive.
Ahrex FW500 Very Good Modern round-bend design with wide gap and fine wire. Slightly different proportions (wider gap relative to shank); functionally similar for dry fly work but less direct historical parallel than TMC 100.
Partridge L2A Good English round-bend dry fly, standard wire, ball eye (not tapered). Partridge's traditional dry fly hook; equivalent bend and point geometry, but eye type differs. Good alternative for classic British/Irish dry fly patterns.
Fulling Mill FM1180 Good Modern round-bend design based on historical profiles. Equivalent functionality; slightly different finish and eye construction.
Orvis 1876 Good Contemporary round-bend dry fly hook. Similar specifications but proprietary eye and finish design from heritage fly-fishing brand.

Industry cross-reference

Standard dry fly hook

Standard shank down eye fine wire

Ahrex FW500Spec record FW501Spec record FW502Spec record F501*Chart only
Core C1100Chart only C1110Chart only
Daiichi 1170Spec record 1180Spec record 1188*Spec record 1189*Spec record 1190Spec record
Firehole 419Spec record
Fulling Mill FM5050Chart only
Hanák H130BLChart only
Mustad 94833Full record R30APSpec record R50APSpec record R50XAP*Spec record 94845*Chart only R50Chart only
Orvis JA1523Chart only JA4864Chart only
Partridge L2aFull record L3AFull record SLD2Spec record SUDSpec record
Tiemco 100Spec record 101Spec record
Wright McGill L059Chart only

* Barbless variant. Green entries are full records; amber entries are spec records. Gray entries are chart-only and not physically verified against this specimen.

Flies tied on O. Mustad & Son 94840

Collector notes

Rated 7.5/10 — common in most sizes due to sustained production and abundant surviving stock, but original mid-century packaging (especially 1950s–1960s Norwegian cards) adds modest collector appeal. Size 10 is standard; specialty sizes (14–20) carry slightly higher premiums. Primary limiting factor is sheer availability — the 94840 remains in production and older cards turn up regularly. Collector demand is casual; primarily sought by Catskill tradition enthusiasts and vintage tackle completists, not specialists.

Reference value $6 – $12 USD estimate
Packaging condition Good — moderate wear, legible Recorded specimen
Packaging format GW-M-94840-1 Catalog code

Positive factors: Iconic association with Walt Dette and Catskill dry fly tradition. Original mid-century Norwegian packaging (especially pre-1965 cards with no barcode) carries period charm and document value for fishing history. The hook itself remains functionally excellent and is still recommended by modern fly-fishing instructors. Sealed or intact tissue-wrapped examples command modest premiums. Availability of related models (94842 up-eye, 94831/94833 fine-wire variants, 94845 barbless) allows collectors to assemble matching sets.

Limiting factors: Abundance — the 94840 was mass-produced continuously from the 1950s onward and remains in production as Mustad Heritage R50AP. Opened or incomplete cards (missing hooks) sell at low end of range. Condition damage to packaging (creasing, ink fading, edge loss) reduces value significantly. Size 10 in bronzed finish is the least rare variant; specialty sizes and blued finishes carry slightly higher premiums. No signature point—of-manufacture variation (e.g., rare Christiania-era production) documented for this model.

Desirable variants: 1950s Norwegian cards with ‘Oslo’ address and no postal code (pre-1960s standard). Sealed 100-count cards in original box (if such exist). Up-eye variant (94842) associated with specific Dette patterns. Fine-wire siblings (94831/94833) in smaller sizes. Blued finish (less common than bronze in this era). Cards with handwritten size notations or retailer markings indicate provenance worth documenting.

Condition factors affecting value: Card structural integrity (edges, corners, flap closure) is primary. Original tissue wrapping or sealed state adds 20–30% premium. Ink legibility and color saturation influence aesthetic value. Hook count completeness directly affects price — missing hooks reduce value by ~$0.50–$1.00 per missing hook. Surface patina on hooks is acceptable and expected; bright (over-cleaned or polished) hooks may indicate modern handling.

Packaging

Standard sales card format (approximately 3.5" × 4.5", unstandardized). White or cream cardstock with lithographed label in olive-green and red ink. Label layout: eight-line formal typography with ornamental border (flouron dingbat pattern). Text arrangement: 'KEY' and brand logo (key symbol) upper left; 'O. MUSTAD & SÖN / Manufacturers / Oslo - Norway / Qual. 94840 / Hollow Point' in formal block caps; 'Mustad-Viking Hooks' in large red display type (3–4" width); specifications below: 'Forged Straight / 100 / No. 10 / t.d. tap. eye / Bronzed / Made in Norway'. No barcode. No postal ZIP code (pre-1960s). Cardstock edge-bound with printed label adhered to front. Back shows wire holder (metal or cardboard slit) for hook suspension. Evidence of age: light toning of cardstock, slight ink fading at edges, minor creasing. No manufacturer's retail price visible (common for export cards of this era).

Market Value Notes

Low ($6): Good condition, opened card, all or most hooks present, moderate packaging wear.
High ($12): Excellent condition, sealed or near-sealed, complete 100-count, minimal packaging wear.
Premium factors: Intact original tissue wrapping, sealed cardstock, complete hook count, 1950s–early 1960s provenance (pre-1965 Oslo-address cards), period-correct retail packaging.
Platforms: eBay (US and UK), vintage tackle dealers, regional fly-fishing symposia and shows.
Confidence: V verified — based on eBay sold data (Apr 13, 2023 – Apr 12, 2026), avg $9.07, range $0.99–$75.00. Lower outliers reflect incomplete cards or loose hooks; higher outliers reflect sealed/rare-variant cards (e.g., early Signature Series R50-94840 or specialty-size variants). Typical transaction: $8–$11 for opened good-condition card.

Where to Find

eBay (US auctions: search 'Mustad 94840'; UK listings less frequent but available). Vintage fly-fishing dealers (Murray's Fly Shop online archive; local fly-swap events). Regional tackle fairs and fly-fishing symposia (Catskill region: annual Fly Fishing Expo, local rod-and-gun club auctions). Specialist online retailers (Feather-Craft, NC Fly Shop occasionally stock vintage inventory).

eBay Market Reference

Period: Apr 13, 2023 – Apr 12, 2026 Avg sold: $9.07 Range: $0.99 - $75.00 Avg shipping: $4.02 Sellers: 68
Title Price Date Condition
2 - Mustad. 94840. #. 1. Hooks $18.00 (asking) active New other (see details)
2 - Mustad. 94840. # 2. Hooks $18.00 (asking) active New other (see details)
MUSTAD VIKING 94840 DRY FLY TYING FISH HOOKS 100 PCS SZ 20 TINY BAIT HOOKS $18.99 (asking) active New
Mustad R50 94840 Signature Series Dry Fly Hooks 50/pack Bulk Pack Size 18 $12.99 (asking) active New
25 Mustad Signature Fish Hooks R50-94840 Size 18 Dry Fly $10.02 (asking) active New
2 - 94840. #. 1. Hooks $18.00 (asking) active New other (see details)
Mustad Signature Series Dry Fly Hook R50-94840 Size 22, 25 Pack $3.99 (asking) active New

eBay market reference. Researcher-curated. Prices in USD. Active listings show current asking price; sold listings show final sale price.

Preservation

Storage and Preservation

Store the card in a cool, dry environment away from high humidity and direct sunlight. The bronzed finish is stable but may develop surface patina with age — this is desirable for collectors and indicates original manufacture. Avoid contact with water or damp conditions; patina can accelerate if moisture is present.

Keep the card in original packaging rather than removing hooks to loose storage. The cardstock itself provides historical context and documentation value; a card with legible label is far more valuable than loose hooks of the same age. If tissue wrapping is present, do not remove it; it adds premium value and protects the hooks.

Store away from other metals to prevent galvanic corrosion, particularly steel and iron items which can cause blue-green staining on bronze. Cardboard storage boxes with acid-free tissue are ideal for long-term preservation. Avoid PVC plastic storage bags, which can trap moisture; use acid-free paper envelopes instead.

If hooks show surface corrosion (rust bloom or white verdigris patina from bronze), consult a conservator before cleaning. Over-cleaning or polishing removes patina, reduces authenticity, and can lower collector value. Light dust may be brushed away gently with a soft natural-bristle brush, but do not scrub or apply any liquid or abrasive.

Marking Analysis

Handwritten Marks and Annotations

No handwritten marks, retailer stamps, or tyer signatures are visible on this specimen card. The label is entirely lithographed in olive-green and red printer’s ink using formal block-capital typography. This is consistent with mid-century Norwegian export production standards, where cards were sold ‘plain’ without retailer annotations or date markings.

If handwritten marks (price, size notation, retailer name, date) appear on other examples of this same card design, they indicate secondary use history — often a retail shop mark or fly-tying guild attribution. Such marks add historical interest but may reduce collector preference if they obscure the original label text. Document any handwritten annotations photographically for provenance tracking.

Primary Source

Label Typography and Mustad Naming Conventions

Source: Mustad cardstock label, c. 1950–1965; Mustad Autoline company history; Global FlyFisher Mustad Signature Series documentation

‘Qual. 94840’: ‘Qual.’ is an abbreviation of ‘Quality Number,’ a Mustad nomenclature convention referring to the pattern or reference number — not a quality grade or tier. The term is often misinterpreted as indicating a product’s quality tier (e.g., ‘mid-tier’ vs ‘economy’ vs ‘premium’). In fact, Mustad’s numeric model codes function essentially as arbitrary pattern identifiers with loose grouping conventions, not as explicit quality hierarchies. The 94840 is a 5-digit pattern number; it does not fall into a 3000–3999 ‘mid-tier’ category — such classification is not supported by Mustad documentation or dealer practice.

‘Mustad-Viking’: ‘Viking’ was a premium export sub-brand used by Mustad to emphasize Norwegian heritage and craft in overseas markets, particularly post-WWII. The Viking designation appears on several Mustad pattern families (79515, 3191, and others). It was not a quality grade but rather a marketing nomenclature for the export product line, suggesting provenance and traditional manufacturing standards. The prevalence of ‘Viking’ branding on this card is a useful era marker (c. 1950–1965 export production).

‘Forged Straight’: ‘Forged’ describes the manufacturing process — lateral compression of the bend between dies, which flattens the wire cross-section and improves durability. ‘Straight’ indicates the point is not offset (kirbed). These are two independent manufacturing specifications stated together, not a compound term. The label conflates them somewhat; modern Mustad practice separates these designations for clarity.

‘SÖN’ vs ‘SØN’: The label shows ‘SÖN’ (umlauted O). The correct Norwegian character is ø (slashed O) — ‘Søn.’ The umlauted ‘Sön’ on export labels was a typographic substitute used when ø was unavailable in foreign type foundries, particularly in English and German trade markets where Norwegian special characters were not standard in the typesetting system. This is a labeling and typesetting artifact, not an alternative Norwegian spelling. Both ‘SØN’ and ‘SÖN’ appear on Mustad packaging of this era depending on where cardstock was printed.

‘Made in Norway’: This legend appears on export cards to emphasize Norwegian manufacture and distinguish the product in international markets. Mustad also produced hooks in subsidiary facilities (e.g., Auburn, NY, acquired 1952; later distribution centers), so ‘Made in Norway’ indicates Gjøvik manufacture specifically. Cards printed in subsidiary markets or for domestic use may omit this notation.

Additional

The Mustad Signature Series R-Code Naming Convention

In the 1970s, Mustad introduced a rationalized product coding system known as the Signature Series, using five-character alphanumeric codes to encode hook geometry explicitly. The R50-94840 designation replaces the vintage ‘Qual. 94840’ label and works as follows:

Position 1 (Bend Family): R = round bend, S = Sproat, L = Limerick, K = Kirby/Beak, O = O’Shaughnessy, etc. The 94840’s R designation confirms round-bend geometry, contradicting older secondary sources that incorrectly classify it as Sproat.

Position 2 (Wire Gauge): 5 = standard wire, 3 = fine wire, 7 = heavy wire, 9 = extra-heavy wire. The 94840’s ‘5’ confirms standard wire gauge.

Position 3 (Shank Length): 0 = standard shank, 1 = long 1×, 2 = long 2×, etc. The 94840’s ‘0’ confirms standard shank proportion.

Positions 4–5 (Pattern Reference): 94840 — the original pattern number, retained for backward compatibility and catalog reference.

This naming convention allows collectors and tyers to decode other Mustad Signature Series hooks systematically. Knowing that ‘R50-‘ prefix encodes round/standard/standard, you can predict the geometry of R50-94842 (round, standard wire, standard shank, but with up-eye variant) and compare it to R50-94831 (round, fine wire, standard shank). Similarly, S50-xxxx patterns will have Sproat bends; L50-xxxx will have Limerick geometry. This consistency, unfortunately, is absent from vintage packaging, making the Signature Series period (1970s onward) significantly easier to cross-reference.

Confidence notation key

P Photographically verified — Directly observable in the photograph(s) on this page.
V Verified by documentation — Confirmed by manufacturer catalog, spec sheet, or published reference.
I Inferred — A logical deduction from observable or documented evidence, not directly stated.
E Estimated — An approximation based on visual comparison, proportional analysis, or limited data.
S Speculative — A reasoned hypothesis that cannot be confirmed from available evidence.

Unnotated claims are the compiler’s synthesis; see Sources. All photographs on garrenwood.com are taken on a measurement grid where each square equals 1/10 inch (0.1″ / 2.54 mm).