The Bolt,machine, cataloged under National Stock Number 5306-00-424-6790, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-424-6790 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 1.906 INCHES MINIMUM AND 1.968 INCHES MAXIMUM IN |
| Thread Length | 0.813 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.907 INCHES MINIMUM AND 1.969 INCHES MAXIMUM IN |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Minimum Yield Strength | 105000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 8637 OVERALL |
| Hole Quantity | 6 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 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 |
|---|---|
| 40092 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-00-424-6790 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5950-00-705-1693, 4310-01-298-0711, 6645-01-329-3136. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-424-6790: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 1.906 INCHES MINIMUM AND 1.968 INCHES MAXIMUM IN; Thread Length: 0.813 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL. 20 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.