The Nut,plain,clinch, cataloged under National Stock Number 5310-01-134-5543, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Western Enterprises Div of Scott and Fetzer Co. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-134-5543 |
| Primary Part Number | C0-2 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Western Enterprises Div of Scott and Fetzer Co |
| Status | ACTIVE |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Thread Series | NGO |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.830 INCHES IN |
| Pilot Diameter | 0.572 INCHES NOMINAL IN |
| Pilot Length | 0.187 INCHES NOMINAL IN |
| Nut Height | 0.960 INCHES NOMINAL IN |
| Nut Style | CLINCH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| Material | COPPER ALLOY 360 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 |
|---|---|
| C0-2 PRIMARY | Western Enterprises Div of Scott and Fetzer Co (USA) |
NSN 5310-01-134-5543 is a Nut,plain,clinch, manufactured by Western Enterprises Div of Scott and Fetzer Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-134-5543 has 1 manufacturer part number on file: C0-2 (Western Enterprises Div of Scott and Fetzer Co).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-202-0348. Verify interchangeability with system specifications before substitution.
Key specifications for C0-2: Width Across Flats: 1.125 INCHES NOMINAL IN; Thread Series: NGO; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.830 INCHES IN. 11 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.