The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-164-5854, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-164-5854 |
| Primary Part Number | HS262-1216 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 1.130 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN |
| Width Across Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Washer Thickness | 0.094 INCHES MINIMUM IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 8740 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 |
|---|---|
| HS262-1216 PRIMARY | The Boeing Company (USA) |
| HS262-1216 | Echelon Supply and Service, Inc. (USA) |
| HS262-1216 | Lynn Electronics Llc (USA) |
| HS262-1216 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HS262-1216 | Boeing Distribution Services, Inc. (USA) |
| HS262-1216 | Transaero, Inc. (USA) |
| HS262-1216 | Adept Fasteners Inc (USA) |
| HS262-1216 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| HS262-1216 | 5/9 Secondary reference Bristol Industries, Llc |
| HS262-1216 | 5/9 Secondary reference Triumph Thermal Systems - Maryland, Inc. |
| HS262-1216 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5310-01-164-5854 is a Nut,self-Locking,extended Washer, manufactured by The Boeing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-164-5854 has 8 manufacturer part numbers on file: HS262-1216 (The Boeing Company), HS262-1216 (Echelon Supply and Service, Inc.), HS262-1216 (Lynn Electronics Llc), HS262-1216 (Sps Technologies, Llc Dba PB Fasteners), HS262-1216 (Boeing Distribution Services, Inc.) and 3 more.
Key specifications for HS262-1216: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.750 INCHES MAXIMUM IN; Washer Outside Diameter: 1.130 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN; Width Across Flats: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN. 17 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.