The Bolt,machine, cataloged under National Stock Number 5306-00-151-6225, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 12 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 | 5306-00-151-6225 |
| Primary Part Number | 9421329 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.106 INCHES MINIMUM IN |
| Head Height | 0.343 INCHES NOMINAL IN |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Length | 1.062 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Width Between Flats | 0.368 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 9421329 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 5306-00-151-6225 is a Bolt,machine, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-151-6225 has 1 manufacturer part number on file: 9421329 (Rolls-Royce Solutions America Inc).
Key specifications for 9421329: Extended Washer Thickness: 0.106 INCHES MINIMUM IN; Head Height: 0.343 INCHES NOMINAL IN; Fastener Length: 2.500 INCHES NOMINAL IN; Extended Washer Diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN. 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.