The Nut,plain,clinch, cataloged under National Stock Number 5310-01-043-5784, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-043-5784 |
| Primary Part Number | 6280C-SS-0440 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Counterbore Depth | 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.099 INCHES IN |
| Nut Diameter | 0.278 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.192 INCHES MINIMUM AND 0.197 INCHES MAXIMUM FIRST END IN |
| Pilot Diameter | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Nut Height | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Nut Style | CLINCH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 48 |
| Material | COPPER ALLOY 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 |
|---|---|
| 6280C-SS-0440 PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 0125981-2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5048-3 | 5/2 Secondary reference U.S. Government activity |
| 6280C-SS-0440 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5310-01-043-5784 is a Nut,plain,clinch, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-043-5784 has 1 manufacturer part number on file: 6280C-SS-0440 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
6 possible matches (shared part number, not a government interchangeability claim): 5330-01-070-3012, 3110-01-092-8953, 4820-01-384-3186. Verify interchangeability with system specifications before substitution.
Key specifications for 6280C-SS-0440: Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Counterbore Depth: 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM NUT IN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.099 INCHES IN. 12 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.