The Bolt,machine, cataloged under National Stock Number 5306-01-332-3125, 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13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-332-3125 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.040 INCHES MINIMUM IN |
| Head Height | 0.250 INCHES MINIMUM IN |
| Fastener Length | 2.375 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.385 INCHES MAXIMUM IN |
| Thread Length | 0.615 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.243 INCHES MINIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| MS21279-31 | 5/1 Secondary reference U.S. Government activity |
| MS21279-31 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-332-3125 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-332-3125: Extended Washer Thickness: 0.040 INCHES MINIMUM IN; Head Height: 0.250 INCHES MINIMUM IN; Fastener Length: 2.375 INCHES NOMINAL IN; Extended Washer Diameter: 0.385 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.