The Bolt,shear, cataloged under National Stock Number 5306-00-026-2132, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-026-2132 |
| Primary Part Number | ST3M561-7-24 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Fastener Length | 0.950 INCHES MINIMUM AND 1.997 INCHES MAXIMUM IN |
| Thread Length | 0.440 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 08524-B-17028 MANUFACTURERS STANDARD |
| Grip Length | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN |
| Grip Diameter | 0.4360 INCHES MINIMUM AND 0.4370 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 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| AIC220-7-24 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB13-7-24 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| MB13-7-24 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BM17028-7-24 | Huck International, Inc (USA) |
| ST3M561-7-24 PRIMARY | The Boeing Company Div Defense (USA) |
| MB13-7-24 | Hi-Shear Corporation (USA) |
| 73992-7-24 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 73992-7-24 | 5/9 Secondary reference Sps Technologies Inc |
| BM17028-7-24 | 5/9 Secondary reference U.S. Government activity |
| A1C220-7-24 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
NSN 5306-00-026-2132 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-026-2132 has 7 manufacturer part numbers on file: AIC220-7-24 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), MB13-7-24 (Fairchild Fasteners Europe - Vsd Gmbh), MB13-7-24 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BM17028-7-24 (Huck International, Inc), ST3M561-7-24 (The Boeing Company Div Defense) and 2 more.
Key specifications for ST3M561-7-24: Head Height: 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN; Fastener Length: 0.950 INCHES MINIMUM AND 1.997 INCHES MAXIMUM IN; Thread Length: 0.440 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.438 INCHES IN. 16 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.