The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-673-3908, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bristol Industries, Llc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Bristol Industries, Llc (CAGE 27238); Howmet Global Fastening Systems Inc. Div Tridair Products (CAGE 29372); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Blanc Aero Industries - Groupe Lisi Aerospace (CAGE F0188) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-673-3908 |
| Primary Part Number | BN01845-5 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| 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 |
|---|---|
| BN01845-5 PRIMARY | Bristol Industries, Llc (USA) |
| VN4851DP054 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| ST5076-11 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 94858-524 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BA1630-05 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| Reference | Meaning |
|---|---|
| 4136826 | D/9 Drawing number reference only Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5310-01-673-3908 is a Nut,self-Locking,clinch, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-673-3908 has 5 manufacturer part numbers on file: BN01845-5 (Bristol Industries, Llc), VN4851DP054 (Howmet Global Fastening Systems Inc. Div Tridair Products), ST5076-11 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 94858-524 (Sps Technologies, Llc Dba PB Fasteners), BA1630-05 (Blanc Aero Industries - Groupe Lisi Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-673-5652. 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.