The Bolt,machine, cataloged under National Stock Number 5306-01-420-7844, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-420-7844 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN |
| Fastener Length | 4.969 INCHES MINIMUM AND 5.031 INCHES MAXIMUM IN |
| Thread Length | 5.000 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.212 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 523644-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-420-7844 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5962-01-425-2243. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-01-420-7844: Head Height: 0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN; Fastener Length: 4.969 INCHES MINIMUM AND 5.031 INCHES MAXIMUM IN; Thread Length: 5.000 INCHES NOMINAL IN; Material Document and Classification: AMS 5682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.