The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-582-8450, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Plastic and Metal Products Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-582-8450 |
| Primary Part Number | NAS1021A04 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Plastic and Metal Products Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Specification/standard Data | 80205-NAS1021 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.157 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| 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 |
|---|---|
| NAS1021A04 PRIMARY | Plastic and Metal Products Corporation (USA) |
| NAS1021A04 | Satair A/s (DNK) |
| NAS1021A04 PRIMARY | Nor-Cal Supply Co (USA) |
| NAS1021A04 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| NAS1021A04 PRIMARY | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| T6S440 | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| NAS1021A04 PRIMARY | Apcom Inc (USA) |
| NAS1021A04 PRIMARY | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1021A04 PRIMARY | Qualified Air Components Inc. (USA) |
| Reference | Meaning |
|---|---|
| NAS1021A04 | 5/9 Secondary reference Harvard Industries Inc |
| NAS1021A04 | 5/9 Secondary reference F and C Sales Inc |
| NAS1021A04 | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
| NAS1021A04 | C/1 Advisory reference — outside the item-of-supply concept Boeing Distribution Services SAS |
| T6S440 | 5/9 Secondary reference Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
| NAS1021A04 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1021A04 | 5/9 Secondary reference U.S. Government activity |
| NAS1021A04 | 5/9 Secondary reference Collins Engineering Corp |
| NAS1021A04 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1021A04 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1021A04 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-582-8450 is a Nut,self-Locking,hexagon, manufactured by Plastic and Metal Products Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-582-8450 has 9 manufacturer part numbers on file: NAS1021A04 (Plastic and Metal Products Corporation), NAS1021A04 (Satair A/s), NAS1021A04 (Nor-Cal Supply Co), NAS1021A04 (Howmet Global Fastening Systems Inc), NAS1021A04 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems) and 4 more.
Key specifications for NAS1021A04: Width Across Flats: 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 550.0 FAHRENHEIT NOMINAL DEGF; Thread Direction: RIGHT-HAND. 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.