The Nut,self-Locking,special, cataloged under National Stock Number 5310-01-139-7116, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-139-7116 |
| Item Name | Nut,self-Locking,special |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,AMS5640; WIDTH ACROSS FLATS 0.490 IN. MIN,0.510 IN. MAX; 0.241 IN. MIN,0.261 IN. MAX HEAD LG; THREAD T,0.3125-24-UNJF-3B 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 |
|---|---|
| 4055T25P03 | 1/2 Source control — Government-approved source U.S. Government activity |
| 10159712 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| F3C524-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-139-7116 is a Nut,self-Locking,special, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-139-7116: General Characteristics Item Description: CRES,AMS5640; WIDTH ACROSS FLATS 0.490 IN. MIN,0.510 IN. MAX; 0.241 IN. MIN,0.261 IN. MAX HEAD LG; THREAD T,0.3125-24-UNJF-3B IN; End Item Identification: ENGINE MODEL F404-GE-400. 1 specification is 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.