The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-915-4871, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-915-4871 |
| Primary Part Number | 66462-832 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Washer Outside Diameter | 0.290 INCHES MAXIMUM IN |
| Width Across Flats | 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Nut Counterbore Depth | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Counterbore Diameter | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL 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 |
|---|---|
| 66462-832 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| C2950-5 | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| KFN530-08 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| C2950-5 | 7/2 Vendor item drawing reference U.S. Government activity |
| LH8314-82 | 5/9 Secondary reference Harvard Industries Inc |
| H530-08 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| VN332-82 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-915-4871 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 5310-00-915-4871 has 3 manufacturer part numbers on file: 66462-832 (Sps Technologies, Llc Dba PB Fasteners), C2950-5 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), KFN530-08 (Howmet Global Fastening Systems Inc).
Key specifications for 66462-832: Overall Height: 0.170 INCHES MAXIMUM IN; Washer Outside Diameter: 0.290 INCHES MAXIMUM IN; Width Across Flats: 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 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.