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Mustad Hooks – 7940 D

Mustad 7940 D hook silhouette
Hook Reference › O. Mustad & Son Hooks › Mustad Hooks – 7940 D

O. Mustad & Son 7940 D

Mustad 7940 DDate not established

Evidence reviewed October 26, 2026. Marks: P photographically · V verified · I inferred · E estimated · S speculative What they mean

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Summary

The Mustad 7940 D is documented here by a Norwegian package labeled “Mustad-Salmon Hooks” and “Hollow Point.” P The checked evidence does not establish a production date or validated dimensional measurements.

Photographic record

4 photographs

Mustad 7940 D — vintage sales card and original packaging with decorative border and eight-line label format — 100-hook box — yellow-orange cardstock from 1940s-1950s
IMG-1Mustad 7940 D Vintage Sales Card Box Mustad 7940 D box. The label specifies Hollow Point, Mustad-Salmon Hooks, Soft ring, Tinned, 2 Ex. Strong, and Made in Norway. The box is marked 100 and No. 6. (P)

How to identify it

Identify the model by “Qual. 7940 D” on the box label. The same label specifies “Hollow Point,” “Mustad-Salmon Hooks,” “Soft ring, Tinned,” “2 Ex. Strong,” and “Made in Norway.” P

The documented box has a printed count of 100 and a No. 6 size stamp. The photographed hooks have a ringed eye substantially parallel with the shank, a plain straight shank, a broad rounded bend, and a single barb. P

Technical profile and measurements

Features of the model, as recorded
FeatureRecordedEvidence
EyeBall Eye, Straight / Inline
Show noteHide note

Ringed ball-style eye, substantially parallel with the shank; closure seam visible. P

OBS-1OBS-8
WireExtra-Heavy (2X+)LBL-2CMP-3IMG-3IMG-4CMP-3 compared with 139 catalogued hooks classified Heavy (1X Heavy), near the line with Extra-Heavy (2X+)
Shank1X Long — Plain
BendRound / Kendal
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Broad smooth rounded bend; exact named bend family is not established by the available side views. P

IMG-3IMG-4OBS-2OBS-9
PointHollow Point
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Single short barb positioned close to the base of the exposed point. P

OBS-4OBS-11
FinishTinned — stated on packaging
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Tinned finish with silver-gray color, darker patina, spotting, and localized surface irregularity. P

LBL-2OBS-6OBS-13

The photographed hooks have a ringed ball-style eye that appears substantially parallel with the shank, a straight plain shank, and a broad rounded bend. The point is long and tapered with a visibly relieved inner profile, and the package identifies it as “Hollow Point.” P

The package also specifies “Soft ring, Tinned” and “2 Ex. Strong.” P The photographs do not establish whether the wire is forged or round through the bend, and the exact named bend family is not documented.

Measurements

Per size, with how each dimension was taken
SizeOverall lengthShank lengthGap widthBend depthWire diameterWeight
No. 6Specimen S1——————
No. 6Specimen S2——————
How hook dimensions are measuredA hook outline with dimension lines for overall length, shank length, gap, bend depth, and wire diameter.Overall lengthShank lengthGapBend depthWire diameter
Overall length
Eye to the farthest point of the bend.
Shank length
Eye to the start of the bend.
Gap
Point to shank, at right angles to the shank.
Bend depth
Shank to the bottom of the bend.
Wire diameter
Across the wire, measured by caliper where possible.
Catalog records. Two No. 6 physical specimens are recorded from packaging marked for 100 hooks. No validated dimensional measurements are available.
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Specimens, packaging, and label

This record documents 2 specimens. Each describes itself only; none stands for every example of the model.

Mustad 7940 D box with faded label, skeleton-key trademark, 100-count marking, and No. 6 size stamp.
Open full size

S1 · No. 6 specimen S1

Size
No. 6 (printed on the label)
Container
Box
Hook condition
Intact with visible surface darkening, speckling, and localized pitting or oxidation, especially around the bend and point area. (P)
Packaging condition
Fair — significant wear, partially legible
Wear
box, left side: Left side of box is torn/open with folded and missing or displaced material. LBL-5
Wear
front label: Label is heavily faded, abraded and stained, with localized puncture/spot damage and loss of print clarity. LBL-6
Measured
size No. 6
Photographs
IMG-2IMG-3IMG-4

Size stamp: 6. Associated package is torn/open at the left side and the front label is heavily faded, abraded, and stained. P

What the label says

LBL-1 trademark · front label, upper left from IMG-1
[?]
Brand
LBL-2 printed · front label, main text from IMG-1
O. MUSTAD & S[?]N
Manufacturers
OSLO - NORWAY
Qual. 7940 D
Hollow Point
Mustad-Salmon Hooks
Soft ring, Tinned
2 Ex. Strong
Made in Norway
LBL-3 printed · front label, lower left quantity and size area from IMG-1
100
No.
LBL-4 stamp · front label, lower left size area from IMG-1
6
Trademark
Faded skeleton-key trademark at upper left; 'Brand' remains visible.
As entered on the specimen record
O. MUSTAD & S[?]N
Manufacturers
OSLO - NORWAY
Qual. 7940 D
Hollow Point
Mustad-Salmon Hooks
Soft ring, Tinned
2 Ex. Strong
Made in Norway
100
No.
Layout
Skeleton-key trademark at upper left; main specification text centered on the front label; quantity and size area at lower left.
Printed marks
100
No.
Mustad 7940 D box with faded label, skeleton-key trademark, 100-count marking, and No. 6 size stamp.
Open full size

S2 · No. 6 specimen S2

Size
No. 6 (printed on the label)
Container
Box
Hook condition
Intact with visible patina and surface irregularity; no obvious fracture is visible. (P)
Packaging condition
Fair — significant wear, partially legible
Wear
box, left side: Left side of box is torn/open with folded and missing or displaced material. LBL-5
Wear
front label: Label is heavily faded, abraded and stained, with localized puncture/spot damage and loss of print clarity. LBL-6
Measured
size No. 6
Photographs
IMG-4

Size stamp: 6. Specimen S2 is visible in the two-hook comparison image and is associated with packaging variant V1. P

What the label says

LBL-1 trademark · front label, upper left from IMG-1
[?]
Brand
LBL-2 printed · front label, main text from IMG-1
O. MUSTAD & S[?]N
Manufacturers
OSLO - NORWAY
Qual. 7940 D
Hollow Point
Mustad-Salmon Hooks
Soft ring, Tinned
2 Ex. Strong
Made in Norway
LBL-3 printed · front label, lower left quantity and size area from IMG-1
100
No.
LBL-4 stamp · front label, lower left size area from IMG-1
6
Trademark
Faded skeleton-key trademark at upper left; 'Brand' remains visible.
As entered on the specimen record
O. MUSTAD & S[?]N
Manufacturers
OSLO - NORWAY
Qual. 7940 D
Hollow Point
Mustad-Salmon Hooks
Soft ring, Tinned
2 Ex. Strong
Made in Norway
100
No.
Layout
Skeleton-key trademark at upper left; main specification text centered on the front label; quantity and size area at lower left.
Printed marks
100
No.

Condition

Hooks are intact but show patina, spotting, and localized surface irregularity or oxidation. The associated box is torn, stained, abraded, and heavily faded. P

Pattern history and manufacturer context

Series

The photographed package identifies the model as Qual. 7940 D and specifies Hollow Point, Mustad-Salmon Hooks, Soft ring, Tinned, 2 Ex. Strong, and Made in Norway. P A separate reference for Mustad 7940 C also records 2xh wire, so the available evidence does not establish the meaning of the D suffix. V

Design lineage

No design lineage for the Mustad 7940 D is established by the checked evidence.

Dating

The package identifies Oslo, Norway and states Made in Norway, but the checked evidence does not establish a production date.

O. Mustad & Son — The photographed box identifies O. Mustad & S[?]N, Oslo, Norway, and states Made in Norway. The checked evidence does not establish a production period. Read the maker’s history →

Use

  • Salmon

Primary application

The package identifies the 7940 D as “Mustad-Salmon Hooks,” directly documenting salmon use. P No additional application is established by the checked evidence.

Collecting and buying

4.5 / 10CollectabilityRarity: Uncommon

The checked evidence does not establish model scarcity or collector demand well enough to support a collectability rating. One active asking-price listing is documented, but no completed sales or sourced scarcity count are recorded. V

Basis: No sourced scarcity basis is present in the checked evidence. One active asking-price listing does not establish model rarity.

The checked evidence does not establish the model’s scarcity or collector demand. One active eBay UK listing documents current availability, but it is an asking-price example rather than a completed sale. V

No numeric value range can be supported from the checked evidence because no recorded sold observations are present.

Market value

Insufficient recorded sales data to estimate a reliable value.

0 sold observations recorded; 2 are needed, with the basis and date of the range, before a value is shown. Asking prices are shown as asking prices only.

No completed sales are documented in the checked evidence. One active eBay UK listing was observed at £12.44; asking prices are not used as sold-market evidence. V

Recorded sales and listings
ListingPriceDateCondition
Mustad Nickel Salmon Hooks, Size 4, #7940D, 100 Count, 1 Box (New)From $13.99 askinglive listingNew
Mustad Nickel Tinned Salmon Hooks Size 1/0 7940D 100 Count Box 2X StrongFrom $14.95 askinglive listingNew other (see details)
Vintage O Mustad & Son 7940D Salmon Fish Hooks Hollow Point Soft Ring Tinned 3/0From $4.99 askinglive listing

Where to find

An active eBay UK listing documents a 100-count Mustad 7940D box in size 4. This is availability evidence, not a completed sale. V

Label and source analysis

7940 D Package Label

Source: Photographed Mustad 7940 D package label; FlyHooks.org reference for Mustad 7940 C

The box identifies Qual. 7940 D as “Hollow Point,” “Mustad-Salmon Hooks,” “Soft ring, Tinned,” and “2 Ex. Strong,” followed by “Made in Norway.” The lower-left area gives a count of 100 and a No. 6 size stamp. P

The label documents the specifications of this packaged model but does not establish what the D suffix means. A separate reference for Mustad 7940 C also records 2xh wire, so the present evidence does not support a simple letter-to-strength sequence. V

Modern equivalents and related hooks

Modern equivalents
HookMatchNotes
Mustad 3407Very goodDirect industrial descendant. O'Shaughnessy bend, extra-strong wire, tinned finish. Slightly heavier forging and more modern manufacturing. Maintains salmon/saltwater utility.
Tiemco TMC 7989GoodModern salmon hook alternative with similar round bend and heavy wire. Japanned finish rather than tinned. Finer wire tolerances than vintage 7940 D.
Partridge Cs70ModerateClassic English round-bend salmon hook. Similar philosophy and heritage; tinned finish available. Narrower gap and slightly different proportions.

Best matchRelated by Attribute

Computed automatically from catalog data — updated as new hooks are added.

SilhouetteHook ModelMatchAnalysisCompare
7925 No. 10 — Mustad 7925 silhouette7925 No. 10 — Mustad 792578%Matches: Bend, Wire, Eye, Eye Orient., Point +3 moreDiffers: Shank: 1X Long vs Standard; Finish: Tinned vs Nickelled; Application: Salmon vs Salmon, Sea Trout, BaitCompare
4211 No. 8 — Kendal Kirby Hooks silhouette4211 No. 8 — Kendal Kirby Hooks76%Matches: Bend, Shank, Wire, Eye, Eye Orient. +2 moreDiffers: Point: Hollow Point vs Standard / Spear; Finish: Tinned vs Bright / Uncoated Steel; Offset: Straight vs Offset / KirbedCompare
3984 H No. 8 — Mustad 3984 H silhouette3984 H No. 8 — Mustad 3984 H75%Matches: Bend, Shank, Wire, Point, Offset +2 moreDiffers: Eye: Ball Eye vs Tapered Eye; Eye Orient.: Straight / Inline vs Turned Down; Finish: Tinned vs Bronzed +1 moreCompare
4225 No. 8 — Kendal Kirby Hooks silhouette4225 No. 8 — Kendal Kirby Hooks71%Matches: Bend, Shank, Wire, Eye, Eye Orient. +3 moreDiffers: Point: Hollow Point vs Standard / Spear; Offset: Straight vs Offset / Kirbed; Application: Salmon vs Bait, SaltwaterCompare
4450 C No. 3/0 — Mustad 4450 C silhouette4450 C No. 3/0 — Mustad 4450 C70%Matches: Bend, Shank, Point, Offset, Shank Feat. +1 moreDiffers: Wire: Extra-Heavy (2X+) vs Heavy (1X Heavy); Eye: Ball Eye vs Tapered Eye; Eye Orient.: Straight / Inline vs Turned Down +2 moreCompare

Sources, open questions, and record notes

Sources & Documentation

This specimen and its packaging — photographed, 4 images
Supports: hook type applicationsize documentedquantity per packageconstructioneyebendwirefinishgapbarbcondition notesmeasurement notescumulative records notemeasurements availablemeasurement methodoverall lengthshank lengthgap widthbend depthwire diameter measuredshank gap ratiodating rangepackagingsecondary applicationsfly patternsmanufacturer period contextfun fact titlefun factmeta titlemeta descriptionprimary search termsis snelledsummarytechnical notesseries historydesign lineageprimary applicationidentification

Open questions

  1. Which Mustad catalogs or price lists document the 7940 D, and what are its first and last confirmed appearances?The checked evidence contains no primary Mustad catalog or price-list entry establishing production dates.Can you help? Please send a scan or photograph of a Mustad catalog, price list, dealer sheet, or advertisement that lists Qual. 7940 D, with the publication date and page visible.
  2. What does the D suffix in 7940 D denote?The box states 2 Ex. Strong, but a separate 7940 C reference also records 2xh wire, so the present evidence does not establish a letter-to-strength sequence.Can you help? Please send a Mustad catalog, specification table, price list, or factory document that defines the A, B, C, or D suffixes for the 7940 family.

Entry last updated June 9, 2026. Entries are updated as new specimens, measurements, or documents come to light.