The Bolt,shear, cataloged under National Stock Number 5306-00-026-2369, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-026-2369 |
| Primary Part Number | 401-7-83 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.257 INCHES NOMINAL IN |
| Fastener Length | 6.104 INCHES MINIMUM AND 6.151 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.906 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511B MANUFACTURERS STANDARD |
| Grip Length | 5.178 INCHES MINIMUM AND 5.198 INCHES MAXIMUM IN |
| Width Between Flats | 0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN |
| Grip Diameter | 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EW5B22D7-A83 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VS2521-7F83 | Howmet Global Fastening Systems Inc (USA) |
| GB511B7-83 | Northrop Grumman Systems Corporation (USA) |
| AIC516B7-83 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 401-7-83 PRIMARY | Huck International, Inc (USA) |
| EWSB22-7A83 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 401-7-83 | 5/9 Secondary reference U.S. Government activity |
| VS2521-7F83 | 5/9 Secondary reference U.S. Government activity |
| EWSB22-7A83 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-00-026-2369 is a Bolt,shear, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-026-2369 has 6 manufacturer part numbers on file: EW5B22D7-A83 (Sps Technologies, Llc Dba PB Fasteners), VS2521-7F83 (Howmet Global Fastening Systems Inc), GB511B7-83 (Northrop Grumman Systems Corporation), AIC516B7-83 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 401-7-83 (Huck International, Inc) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 2915-00-608-4096. Verify interchangeability with system specifications before substitution.
Key specifications for 401-7-83: Head Height: 0.257 INCHES NOMINAL IN; Fastener Length: 6.104 INCHES MINIMUM AND 6.151 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.906 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.