The Bolt,machine, cataloged under National Stock Number 5306-00-407-5813, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-407-5813 |
| Primary Part Number | J405P21B |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Fastener Length | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Thread Length | 0.865 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.565 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | 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 |
| Part Number | Manufacturer |
|---|---|
| J405P21B PRIMARY | General Electric Company (USA) |
NSN 5306-00-407-5813 is a Bolt,machine, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-407-5813 has 1 manufacturer part number on file: J405P21B (General Electric Company).
Key specifications for J405P21B: Surface Finish: 63.0 MICROINCHES GRIP; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN; Fastener Length: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN. 19 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.