The Bolt,machine, cataloged under National Stock Number 5306-01-134-8375, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-134-8375 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.090 INCHES MINIMUM0.090 INCHES MINIMUM IN |
| Head Height | 0.338 INCHES NOMINAL0.338 INCHES NOMINAL IN |
| Fastener Length | 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN |
| Thread Length | 0.767 INCHES NOMINAL0.767 INCHES NOMINAL IN |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLEDOUBLE HEXAGON LONGITUDINAL HOLE |
| Nominal Thread Diameter | 0.375 INCHES0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHERDOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Width Between Flats | 0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALLSILVER OVERALL |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 2424 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 44 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLEDDRILLED |
| Hole Diameter | 0.070 INCHES NOMINAL0.070 INCHES NOMINAL IN |
| 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 |
|---|---|
| MS9577-08 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-134-8375 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-134-8375: Extended Washer Thickness: 0.090 INCHES MINIMUM0.090 INCHES MINIMUM IN; Head Height: 0.338 INCHES NOMINAL0.338 INCHES NOMINAL IN; Fastener Length: 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN; Extended Washer Diameter: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN. 18 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.