The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-262-9022, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-262-9022 |
| Primary Part Number | 83723-2112 |
| 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 | 2.071 INCHES MINIMUM AND 2.081 INCHES MAXIMUM IN |
| Width Across Flats | 1.551 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Precious Material | SILVER |
| Washer Thickness | 0.223 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.3125 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | OVERALL SILVER |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| 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 |
|---|---|
| 83723-2112 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5310-01-262-9022 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 5310-01-262-9022 has 1 manufacturer part number on file: 83723-2112 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 83723-2112: Overall Height: 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Washer Outside Diameter: 2.071 INCHES MINIMUM AND 2.081 INCHES MAXIMUM IN; Width Across Flats: 1.551 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MS 2410 ASSN STD 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.