The Bolt,machine, cataloged under National Stock Number 5306-01-143-9565, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-143-9565 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Fastener Length | 2.183 INCHES NOMINAL2.183 INCHES NOMINAL IN |
| Thread Length | 0.745 INCHES NOMINAL0.745 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.438 INCHES0.438 INCHES IN |
| Head Style | HEXAGONHEXAGON |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Grip Length | 1.438 INCHES NOMINAL1.438 INCHES NOMINAL IN |
| Width Between Flats | 0.679 INCHES MINIMUM AND 0.679 INCHES MINIMUM AND 0.689 INCHES MAXIMUM0.689 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH140000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 2020 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF)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 |
|---|---|
| NAS1007-23 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5306-01-143-9565 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-143-9565: Head Height: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN; Fastener Length: 2.183 INCHES NOMINAL2.183 INCHES NOMINAL IN; Thread Length: 0.745 INCHES NOMINAL0.745 INCHES NOMINAL IN; Nominal Thread Diameter: 0.438 INCHES0.438 INCHES 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.