The Bolt,machine, cataloged under National Stock Number 5306-00-680-9478, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-680-9478 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Fastener Length | 2.150 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.500 INCHES NOMINAL IN |
| Width Between Flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | B2 TYPE |
| Surface Treatment | CADMIUM OVERALL |
| 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 |
|---|---|
| FFB571TYPEB1B2 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-00-680-9478 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-680-9478: Head Height: 0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN; Fastener Length: 2.150 INCHES NOMINAL IN; Thread Length: 1.000 INCHES MINIMUM IN; Nominal Thread Diameter: 0.500 INCHES 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.