The Bolt,machine, cataloged under National Stock Number 5306-00-952-8258, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-952-8258 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN |
| Fastener Length | 10.880 INCHES MINIMUM AND 11.120 INCHES MAXIMUM IN |
| Thread Length | 10.880 INCHES MINIMUM AND 11.120 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1020 OR STEEL COMP 1025 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 |
|---|---|
| C5-45-3230 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-952-8258 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-952-8258: Head Height: 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN; Fastener Length: 10.880 INCHES MINIMUM AND 11.120 INCHES MAXIMUM IN; Thread Length: 10.880 INCHES MINIMUM AND 11.120 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN. 13 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.