The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-732-1783, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-732-1783 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 19.9 MILLIMETERS MAXIMUM MM |
| Width Across Flats | 13.73 MILLIMETERS MINIMUM AND 14.00 MILLIMETERS MAXIMUM MM |
| Thread Series | MJ |
| Thread Pitch in Millimeters | 1.25 |
| Temp Rating | 235.0 CELSIUS NOMINAL DEGC |
| Washer Thickness | 1.4 MILLIMETERS MINIMUM MM |
| Material Document and Classification | UNABLE TO DECODE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 12.0 MILLIMETERS MM |
| Specification/standard Data | 80205-NA0033 AND NA0034 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | HEXAGON |
| Thread Class | 4H5H |
| Material | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NA0034C120M | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-732-1783 is a Nut,self-Locking,extended Washer, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-732-1783: Lubrication: DRY FILM LUBRICANT; Overall Height: 10.8 MILLIMETERS MAXIMUM MM; Washer Outside Diameter: 19.9 MILLIMETERS MAXIMUM MM; Width Across Flats: 13.73 MILLIMETERS MINIMUM AND 14.00 MILLIMETERS MAXIMUM MM. 15 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.