The Bolt,machine, cataloged under National Stock Number 5306-00-853-8795, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-853-8795 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 2.140 INCHES MINIMUM AND 2.187 INCHES MAXIMUM IN |
| Thread Length | 0.514 INCHES MINIMUM AND 0.537 INCHES MAXIMUM IN |
| Material Document and Classification | AAMS 5645 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5646 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-763 CL 8 TY A FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 321 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 |
|---|---|
| NAS501-4-21A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-853-8795 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-853-8795: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Fastener Length: 2.140 INCHES MINIMUM AND 2.187 INCHES MAXIMUM IN; Thread Length: 0.514 INCHES MINIMUM AND 0.537 INCHES MAXIMUM IN; Material Document and Classification: AAMS 5645 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5646 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-763 CL 8 TY A FED SPEC ALL MATERIAL RESPONSES OVERALL. 14 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.