The Nut,plain,clinch, cataloged under National Stock Number 5310-01-376-4769, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Qualidyne Systems Inc. Government technical data includes 13 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-376-4769 |
| Primary Part Number | 021001 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Qualidyne Systems Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTMB-633,TYPE 3,CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Diameter | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Pilot Diameter | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Pilot Length | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Nut Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Nut Style | CLINCH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL 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 |
|---|---|
| 021001 PRIMARY | Qualidyne Systems Inc (USA) |
NSN 5310-01-376-4769 is a Nut,plain,clinch, manufactured by Qualidyne Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-376-4769 has 1 manufacturer part number on file: 021001 (Qualidyne Systems Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4210-01-393-5882, 5995-01-550-5054, 8145-01-713-9266. Verify interchangeability with system specifications before substitution.
Key specifications for 021001: Surface Treatment Document and Classification: ASTMB-633,TYPE 3,CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.164 INCHES IN. 13 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.