The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-666-5540, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (CAGE 52828); Esna, Llc (CAGE 019L2); Howmet Global Fastening Systems Inc (CAGE 15653) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-666-5540 |
| Primary Part Number | BACN10JR5CFD |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems |
| 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 |
|---|---|
| BACN10JR5CFD PRIMARY | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| 102F9201-5 PRIMARY | Esna, Llc (USA) |
| K51602-5BAC PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| NS202476-054 | 3/2 Design control — primary reference U.S. Government activity |
| BACN10JR5CFD | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-666-5540 is a Nut,self-Locking,plate, manufactured by Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-666-5540 has 3 manufacturer part numbers on file: BACN10JR5CFD (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), 102F9201-5 (Esna, Llc), K51602-5BAC (Howmet Global Fastening Systems Inc).
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.