The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-139-6789, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-139-6789 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Channel Style | RADIUS TYPE |
| 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 |
|---|---|
| 10109771 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4031T54G04 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-139-6789 is a Nut Assembly,self-Locking,gang C, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-139-6789: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Locking Feature: PREVAILING TORQUE ALL METAL DESIGN. 7 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.