The Bolt,machine, cataloged under National Stock Number 5306-00-019-2228, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-019-2228 |
| Primary Part Number | 192228 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Fastener Length | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Thread Length | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Hardness Rating | 96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Locking Feature | DISTORTIONS BEARING SURFACE OF HEAD |
| Minimum Tensile Strength | 95000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| 192228 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| Reference | Meaning |
|---|---|
| 192228 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 192228 | 3/9 Design control — primary reference General Motors Corp |
NSN 5306-00-019-2228 is a Bolt,machine, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-019-2228 has 1 manufacturer part number on file: 192228 (Army Weapons Command Attn Amswe-Ree-S).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-376-6725. Verify interchangeability with system specifications before substitution.
Key specifications for 192228: Head Height: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Fastener Length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN; Thread Length: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN; Hardness Rating: 96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL. 16 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.