The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-282-5685, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-282-5685 |
| Primary Part Number | 8028723 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Width Across Flats | 0.938 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hardness Rating | 85.5 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 5 STYLE AND D GRADE |
| Nut Height | 0.375 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 8028723 PRIMARY | General Motors Corp (USA) |
| 8028723 | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 8028723 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| FFN836 | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-282-5685 is a Nut,plain,hexagon, manufactured by General Motors Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-282-5685 has 2 manufacturer part numbers on file: 8028723 (General Motors Corp), 8028723 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 8028723: Width Across Flats: 0.938 INCHES NOMINAL IN; Thread Series: UNF; Hardness Rating: 85.5 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM; 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.