The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-270-3229, 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 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-270-3229 |
| Primary Part Number | 92660-1812 |
| 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 | 1.875 INCHES MAXIMUM IN |
| Width Across Flats | 1.367 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Washer Thickness | 0.438 INCHES NOMINAL IN |
| Material Document and Classification | STM D4066 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL NONMETALLIC DESIGN |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | NICKEL ALLOY 718 NUT |
| 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 |
|---|---|
| 92660-1812 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 5533160-001 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| VN2603YF182 | 3/2 Design control — primary reference U.S. Government activity |
| LLNH-18 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-270-3229 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 5310-01-270-3229 has 1 manufacturer part number on file: 92660-1812 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 92660-1812: Overall Height: 1.327 INCHES MAXIMUM IN; Washer Outside Diameter: 1.875 INCHES MAXIMUM IN; Width Across Flats: 1.367 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN; Thread Series: UNF. 13 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.