The Bolt,machine, cataloged under National Stock Number 5306-01-151-9940, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-151-9940 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.050 INCHES MINIMUM IN |
| Head Height | 0.320 INCHES MAXIMUM IN |
| Fastener Length | 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Thread Length | 0.139 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 9419683 | 3/9 Design control — primary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5306-01-151-9940 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-151-9940: Extended Washer Thickness: 0.050 INCHES MINIMUM IN; Head Height: 0.320 INCHES MAXIMUM IN; Fastener Length: 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN; Extended Washer Diameter: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM 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.