The Bolt,machine, cataloged under National Stock Number 5306-01-345-2427, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-345-2427 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Head Height | 0.400 INCHES NOMINAL IN |
| Fastener Length | 3.000 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.395 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 1.210 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 |
|---|---|
| 1129E01 FIND 73 | 5/9 Secondary reference U.S. Government activity |
| 1D41383-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-345-2427 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-345-2427: Surface Finish: 63.0 MICROINCHES GRIP; Head Height: 0.400 INCHES NOMINAL IN; Fastener Length: 3.000 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.395 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN. 14 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.