The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-021-6353, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 11 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-021-6353 |
| Primary Part Number | 216353 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Height | 0.844 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| 216353 PRIMARY | Dressta North America Ltd (USA) |
| 43C172R PRIMARY | Utility Trailer Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 50E11 | 5/9 Secondary reference Cooper Industries Industrial Machinery Div |
| 216353 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| J5050KK | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
| 216353 | 5/9 Secondary reference U.S. Government activity |
| 216353 | 5/9 Secondary reference International Harvester Co Agricultural Equipment Div |
| 50E11 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| FFB571TYPEA | 4/1 Identification reference U.S. Government activity |
| 216353 | 5/9 Secondary reference General Motors Corp |
| 216353 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 5310-00-021-6353 is a Nut,plain,hexagon, manufactured by Dressta North America Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-021-6353 has 2 manufacturer part numbers on file: 216353 (Dressta North America Ltd), 43C172R (Utility Trailer Mfg Co).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-165-1506. Verify interchangeability with system specifications before substitution.
Key specifications for 216353: Width Across Flats: 1.500 INCHES NOMINAL IN; Thread Series: UNF; Material Document and Classification: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.