The Bolt,machine, cataloged under National Stock Number 5306-01-194-2979, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-194-2979 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.959 INCHES MINIMUM AND 0.991 INCHES MAXIMUM IN |
| Fastener Length | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625,TY 3 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6495-3 | 3/9 Design control — primary reference Air Dry Co of America, Llc |
| 6495-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-194-2979 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5950-01-396-4950. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-01-194-2979: Head Height: 0.959 INCHES MINIMUM AND 0.991 INCHES MAXIMUM IN; Fastener Length: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625,TY 3 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.500 INCHES MINIMUM 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.