The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-352-4233, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-352-4233 |
| Primary Part Number | H53457-6 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | SOLUBLE LUBRICANT |
| Washer Outside Diameter | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Width Across Flats | 0.492 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | QQ-A-225/9 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.370 INCHES IN |
| Counterbore Diameter | 0.392 INCHES MINIMUM AND 0.398 INCHES MAXIMUM FIRST END IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | ANODIZE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| 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 |
|---|---|
| H53457-6 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BH00585-6 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3D0130-12 | 3/2 Design control — primary reference U.S. Government activity |
| VN2317LC064 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-352-4233 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-352-4233 has 2 manufacturer part numbers on file: H53457-6 (Howmet Global Fastening Systems Inc), BH00585-6 (Bristol Industries, Llc).
Key specifications for H53457-6: Lubrication: SOLUBLE LUBRICANT; Overall Height: 0.480 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN; Washer Outside Diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Width Across Flats: 0.492 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN. 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.