The Bolt,machine, cataloged under National Stock Number 5306-00-821-9971, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 18 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 | 5306-00-821-9971 |
| Primary Part Number | 9055322 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES MINIMUM IN |
| Hole Configuration Style | HEXAGON FLATS |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 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 |
| Part Number | Manufacturer |
|---|---|
| 9055322 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5306-00-821-9971 is a Bolt,machine, manufactured by Us Army Aviation and Missile Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-821-9971 has 1 manufacturer part number on file: 9055322 (Us Army Aviation and Missile Command).
Key specifications for 9055322: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN; Thread Length: 1.250 INCHES MINIMUM IN; Hole Configuration Style: HEXAGON FLATS. 18 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.