The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-352-2642, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bristol Industries, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-352-2642 |
| Primary Part Number | BH00214-6 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.620 INCHES MAXIMUM IN |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Hardness Rating | 44.0 ROCKWELL C MAXIMUM |
| Washer Thickness | 0.030 INCHES MINIMUM IN |
| Material Document and Classification | AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | ALL SURFACES SILVER |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 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 |
|---|---|
| BH00214-6 | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| S9431-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-352-2642 is a Nut,self-Locking,extended Washer, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-352-2642 has 1 manufacturer part number on file: BH00214-6 (Bristol Industries, Llc).
Key specifications for BH00214-6: Overall Height: 0.282 INCHES MAXIMUM IN; Washer Outside Diameter: 0.620 INCHES MAXIMUM IN; Width Across Flats: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 17 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.