The Bolt,hook, cataloged under National Stock Number 5306-01-254-2784, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 11 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 | 5306-01-254-2784 |
| Primary Part Number | 227B7161 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Distance From Inside of Bend to Shank End | 6.450 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM OVERALL |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Inside Center of Bend to Hook End | 0.860 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 227B7161 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5306-01-254-2784 is a Bolt,hook, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-254-2784 has 1 manufacturer part number on file: 227B7161 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 227B7161: Distance From Inside of Bend to Shank End: 6.450 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM OVERALL; Style Designator: ROUND BEND. 11 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.