The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-217-2194, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-217-2194 |
| Primary Part Number | 1285M10P04 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Width Across Flats | 0.491 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 2B |
| 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 |
|---|---|
| 1285M10P03 | General Electric Company (USA) |
| 1285M10P04 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| ALLF92-4 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-217-2194 is a Nut,self-Locking,extended Washer, manufactured by General Electric Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-217-2194 has 2 manufacturer part numbers on file: 1285M10P03 (General Electric Company), 1285M10P04 (General Electric Company).
Key specifications for 1285M10P04: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Washer Outside Diameter: 0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Width Across Flats: 0.491 INCHES NOMINAL IN. 10 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.