The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-412-2016, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howard Clock Products Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-412-2016 |
| Primary Part Number | 210-1004P2 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howard Clock Products Inc |
| Status | ACTIVE |
| Width Across Flats | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-A-225/5 TEMPER T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/3 TEMPER T3 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Height | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2011 OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 210-1004P2 | Howard Clock Products Inc (USA) |
| 8212A0632-1 | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 8212-A-0632-1B | C/1 Advisory reference — outside the item-of-supply concept New Haven Mfg Corp Amatom Electronic Hardware Div |
| 11241600 | 3/9 Design control — primary reference Ballistic Missile Defense Systems Command |
| 8212A0632-1 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5310-00-412-2016 is a Nut,plain,hexagon, manufactured by Howard Clock Products Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-412-2016 has 2 manufacturer part numbers on file: 210-1004P2 (Howard Clock Products Inc), 8212A0632-1 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 210-1004P2: Width Across Flats: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Bearing Surface Finish: 125.0 MICROINCHES; Surface Treatment Document and Classification: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC). 15 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.