The Bolt,machine, cataloged under National Stock Number 5306-01-134-7531, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-134-7531 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.203 INCHES MINIMUM AND 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM0.235 INCHES MAXIMUM IN |
| Fastener Length | 4.203 INCHES NOMINAL4.203 INCHES NOMINAL IN |
| Thread Length | 0.641 INCHES NOMINAL0.641 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES0.375 INCHES IN |
| Head Style | HEXAGONHEXAGON |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Grip Length | 3.562 INCHES NOMINAL3.562 INCHES NOMINAL IN |
| Width Between Flats | 0.533 INCHES MINIMUM AND 0.533 INCHES MINIMUM AND 0.565 INCHES MAXIMUM0.565 INCHES MAXIMUM IN |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 2424 |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Quantity | 11 |
| Thread Series Designator | UNFUNF |
| 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 |
|---|---|
| AN6DDH41A | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-134-7531 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-134-7531: Head Height: 0.203 INCHES MINIMUM AND 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM0.235 INCHES MAXIMUM IN; Fastener Length: 4.203 INCHES NOMINAL4.203 INCHES NOMINAL IN; Thread Length: 0.641 INCHES NOMINAL0.641 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES0.375 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.