The Nut,self-Locking,assembled Washe, cataloged under National Stock Number 5310-01-664-6772, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-664-6772 |
| Item Name | Nut,self-Locking,assembled Washe |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Washer Outside Diameter | 10.414 INCHES MAXIMUM IN |
| Width Across Flats | 6.172 INCHES MINIMUM AND 6.375 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM-A967 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | ASTM-A967 ASSN STD SINGLE TREATMENT RESPONSE WASHER |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.1900 INCHES IN |
| Surface Treatment | PASSIVATE WASHER |
| Surface Treatment | PASSIVATE NUT |
| Nut Style | FLAT WITH TURNED UP EDGE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING WASHER |
| 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 |
|---|---|
| NSA5057P3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-664-6772 is a Nut,self-Locking,assembled Washe, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-664-6772: Overall Height: 7.112 INCHES MINIMUM AND 7.620 INCHES MAXIMUM IN; Washer Outside Diameter: 10.414 INCHES MAXIMUM IN; Width Across Flats: 6.172 INCHES MINIMUM AND 6.375 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM-A967 ASSN STD SINGLE TREATMENT RESPONSE NUT. 14 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.