The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-652-1897, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-652-1897 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS-D4066 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Material Document and Classification | ASTM A29,ASTM A510 OR ASTM A853 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A29,ASTM A510 OR ASTM A853 ASSN STD 2ND MATERIAL RESPONSE OR SAE J118 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OR AMS 5040,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 4TH MATERIAL RESPONSE OR AMS 5069,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 5TH MATERIAL RESPONSE OR AMS 5080,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 6TH MATERIAL RESPONSE OR AMS 5024 OR ASTM A29 NATIONAL STD/SPEC 7TH MATERIAL RESPONSE OR AMS 5020 OR AST NATIONAL STD/SPEC 8TH MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.50 INCHES IN |
| Specification/standard Data | 80205-NAS-21083 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | PLASTIC NYLON LOCKING INSERT |
| Material | STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1018 OR STEEL COMP 1035 OR STEEL COMP 11L37 OR STEEL COMP 1213 OR STEEL COMP 12L14 OR STEEL COMP 1215 NUT |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| NAS21083N8 | 3/2 Design control — primary reference U.S. Government activity |
| NASM25027 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5310-01-652-1897 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-652-1897: Width Across Flats: 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material Document and Classification: AMS-D4066 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT; Material Document and Classification: ASTM A29,ASTM A510 OR ASTM A853 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A29,ASTM A510 OR ASTM A853 ASSN STD 2ND MATERIAL RESPONSE OR SAE J118 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OR AMS 5040,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 4TH MATERIAL RESPONSE OR AMS 5069,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 5TH MATERIAL RESPONSE OR AMS 5080,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 6TH MATERIAL RESPONSE OR AMS 5024 OR ASTM A29 NATIONAL STD/SPEC 7TH MATERIAL RESPONSE OR AMS 5020 OR AST NATIONAL STD/SPEC 8TH MATERIAL RESPONSE NUT. 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.