The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-329-8204, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5310-01-329-8204 |
| Primary Part Number | BH102-10L |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 1.078 INCHES MINIMUM AND 1.088 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM |
| Washer Thickness | 0.075 INCHES MINIMUM IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | PASSIVATE OVERALL |
| Drive Point Quantity | 24 |
| Nut Style | SPLINE DRIVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| H52765-10DL | Howmet Global Fastening Systems Inc (USA) |
| 83671-10L | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BH102-10L PRIMARY | Bristol Industries, Llc (USA) |
NSN 5310-01-329-8204 is a Nut,self-Locking,extended Washer, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-329-8204 has 3 manufacturer part numbers on file: H52765-10DL (Howmet Global Fastening Systems Inc), 83671-10L (Sps Technologies, Llc Dba PB Fasteners), BH102-10L (Bristol Industries, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-351-5343. Verify interchangeability with system specifications before substitution.
Key specifications for BH102-10L: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.695 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN; Washer Outside Diameter: 1.078 INCHES MINIMUM AND 1.088 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE 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.