The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-445-0770, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-445-0770 |
| Primary Part Number | 92652M-4 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Width Across Flats | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Washer Thickness | 0.113 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE WASHER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | ANODIZE NUT |
| Surface Treatment | DISULFIDE MOLYBDENUM WASHER |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| 92652M-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BH00182C4M PRIMARY | Bristol Industries, Llc (USA) |
| HK52738-4DL PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| VN376D04W PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| Reference | Meaning |
|---|---|
| 3D0007L4 | 5/2 Secondary reference U.S. Government activity |
| VN376D048W | 5/9 Secondary reference U.S. Government activity |
| VN376D04W | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-445-0770 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-445-0770 has 4 manufacturer part numbers on file: 92652M-4 (Sps Technologies, Llc Dba PB Fasteners), BH00182C4M (Bristol Industries, Llc), HK52738-4DL (Howmet Global Fastening Systems Inc), VN376D04W (Howmet Global Fastening Systems Inc. Div Voi-Shan Products).
Key specifications for 92652M-4: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.292 INCHES MAXIMUM IN; Washer Outside Diameter: 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Width Across Flats: 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN. 18 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.