The Nut,self-Locking,barrel, cataloged under National Stock Number 5310-01-699-3651, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-699-3651 |
| Item Name | Nut,self-Locking,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Nut Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE THREADS |
| Surface Treatment Document and Classification | AMS2700,METHOD 1,TYPE 2 OR TYPE 8,CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Hardness Rating | 48.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS5662,AMS5663 OR AMS5962 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.6250 INCHES IN |
| Nut Diameter | 1.045 INCHES MINIMUM IN |
| Specification/standard Data | 80205-NAS577 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | FREE-RUNNING ALL METAL DESIGN |
| Nut Height | 0.844 INCHES MAXIMUM IN |
| Surface Treatment | SILVER THREADS |
| Surface Treatment | PASSIVATE OVERALL EXCEPT THREADS |
| Nut Style | FLOATING SELF-LOCKING BARREL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | NICKEL ALLOY 718 OVERALL |
| Barrel Height | 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| 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 |
|---|---|
| NAS577C10GX | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-699-3651 is a Nut,self-Locking,barrel, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-699-3651: Nut Length: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE THREADS; Surface Treatment Document and Classification: AMS2700,METHOD 1,TYPE 2 OR TYPE 8,CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 20 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.