The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-786-2501, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 15653); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Viavi Solutions Deutschland Gmbh (CAGE D4598) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-786-2501 |
| Primary Part Number | 494677 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| 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 |
|---|---|
| 618106 | Howmet Global Fastening Systems Inc (USA) |
| 494677 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| K29110-4 | Howmet Global Fastening Systems Inc (USA) |
| 618106 | Viavi Solutions Deutschland Gmbh (DEU) |
| 618106 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5310-00-786-2501 is a Nut,self-Locking,clinch, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-786-2501 has 5 manufacturer part numbers on file: 618106 (Howmet Global Fastening Systems Inc), 494677 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), K29110-4 (Howmet Global Fastening Systems Inc), 618106 (Viavi Solutions Deutschland Gmbh), 618106 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-941-0184. Verify interchangeability with system specifications before substitution.
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.