The Bolt,shear, cataloged under National Stock Number 5306-00-944-7535, 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 18 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-944-7535 |
| Primary Part Number | AIC260-8A21 |
| 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 | 0.281 INCHES NOMINAL IN |
| Fastener Length | 1.874 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.561 INCHES MINIMUM IN |
| Hardness Rating | 51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SPS-M-107,FSCM 03680 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.312 INCHES NOMINAL IN |
| Width Between Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Grip Diameter | 0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 260000 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 |
|---|---|
| AIC260-8A21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VS2106-8-21 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| AIC516C-8-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BM55156-8-21A | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| GB511C8-21 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| EWSB26-8A21 | 3/2 Design control — primary reference U.S. Government activity |
| BM55156-8-21A | 5/9 Secondary reference U.S. Government activity |
| VS2106-8-21 | 5/2 Secondary reference U.S. Government activity |
| EWSB26-8A21 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-00-944-7535 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 5306-00-944-7535 has 4 manufacturer part numbers on file: AIC260-8A21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VS2106-8-21 (Fairchild Fasteners Europe - Vsd Gmbh), AIC516C-8-21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BM55156-8-21A (Huck International, Inc).
Key specifications for AIC260-8A21: Head Height: 0.281 INCHES NOMINAL IN; Fastener Length: 1.874 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.561 INCHES MINIMUM IN. 18 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.