The Bolt,shear, cataloged under National Stock Number 5306-00-925-9752, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-925-9752 |
| Primary Part Number | C081-5-11 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 1.038 INCHES NOMINAL IN |
| Thread Length | 0.350 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511B5 MANUFACTURERS STANDARD |
| Grip Length | 0.688 INCHES NOMINAL IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| C081-5-11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| C081-5-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VS2521-5F11 | 5/9 Secondary reference U.S. Government activity |
| EWSB22-5A11 | 5/9 Secondary reference U.S. Government activity |
| C081-5-11 | 3/2 Design control — primary reference U.S. Government activity |
| EWSB22-5A11 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BM55156-5-11A | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS2521-5F11 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| AIC516B5-11 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| BM55156-5-11A | 5/9 Secondary reference U.S. Government activity |
| AIC220-5A11 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| GB511B5-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| C081-5-11 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-00-925-9752 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-925-9752 has 2 manufacturer part numbers on file: C081-5-11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), C081-5-11 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for C081-5-11: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 1.038 INCHES NOMINAL IN; Thread Length: 0.350 INCHES MINIMUM IN; Nominal Thread Diameter: 0.312 INCHES IN. 15 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.