The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-697-9573, 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14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-697-9573 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633, SC2, TY III ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | GRADE 5 STEEL SAE J995 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR ASTM A563 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.1640 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL NONMETALLIC DESIGN |
| Surface Treatment | ZINC NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| Material | PLASTIC LOCKING INSERT |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 4237AS0297 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 500K1927-2 | 3/2 Design control — primary reference U.S. Government activity |
| 500K1927 | D/9 Drawing number reference only U.S. Government activity |
| 500K1927-2 | 5/9 Secondary reference Drs Environmental Systems Inc |
NSN 5310-01-697-9573 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-697-9573: Width Across Flats: 0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633, SC2, TY III ASSN STD SINGLE TREATMENT RESPONSE NUT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: GRADE 5 STEEL SAE J995 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR ASTM A563 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL 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.