The Nut,self-Locking,single Ball Sea, cataloged under National Stock Number 5310-00-060-9979, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-060-9979 |
| Item Name | Nut,self-Locking,single Ball Sea |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT OR SOLUBLE LUBRICANT |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2417 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 800.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 41.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Specification/standard Data | 80205-NAS1288 GOVERNMENT STANDARD |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.360 INCHES MAXIMUM IN |
| Ball Seat Radius | 0.385 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | SINGLE BALL SEAT, HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 601 OVERALL |
| 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 |
|---|---|
| LH4084-064 | 5/9 Secondary reference Harvard Industries Inc |
| 5310000609979 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| NAS1288-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-060-9979 is a Nut,self-Locking,single Ball Sea, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-060-9979: Lubrication: DRY FILM LUBRICANT OR SOLUBLE LUBRICANT; Width Across Flats: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2417 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 18 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.