The Bolt,machine, cataloged under National Stock Number 5306-01-083-4080, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-083-4080 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Fastener Length | 3.920 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-P-16232,TY Z CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.170 INCHES MINIMUM AND 1.731 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DISTORTED HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.269 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Locking Feature | DISTORTIONS TOP OF HEAD |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| MS35764-279 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-083-4080 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-083-4080: Head Height: 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Fastener Length: 3.920 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-P-16232,TY Z CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.170 INCHES MINIMUM AND 1.731 INCHES MAXIMUM IN. 19 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.