The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-415-6755, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Transpec Fasteners, Inc. Dba Transpec Fasteners Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-415-6755 |
| Primary Part Number | 79NTU-149 300 CRES |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Transpec Fasteners, Inc. Dba Transpec Fasteners Inc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 79NTU-149 | Gulf Fastener, Inc. (USA) |
| 79NTU-149 300 CRES PRIMARY | Transpec Fasteners, Inc. Dba Transpec Fasteners Inc (USA) |
| 79NTU-149 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| PL50301110 ITEM 18 | 5/9 Secondary reference U.S. Government activity |
| 79NTU-1409 | 5/9 Secondary reference Greer Stop Nut, Inc. |
| PL50301110 ITEM 18 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 79NTU-1409 | 5/9 Secondary reference Transpec Fasteners, Inc. Dba Transpec Fasteners Inc |
| PL50301110 ITEM 18 | C/1 Advisory reference — outside the item-of-supply concept Gulf Coast Holdings, Inc Dba Unidynamics |
NSN 5310-01-415-6755 is a Nut,self-Locking,hexagon, manufactured by Transpec Fasteners, Inc. Dba Transpec Fasteners Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-415-6755 has 3 manufacturer part numbers on file: 79NTU-149 (Gulf Fastener, Inc.), 79NTU-149 300 CRES (Transpec Fasteners, Inc. Dba Transpec Fasteners Inc), 79NTU-149 (Esna, Llc).
Key specifications for 79NTU-149 300 CRES: Thread Direction: RIGHT-HAND; Material: STEEL CORROSION RESISTING OVERALL. 2 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.