The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-021-9708, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-021-9708 |
| Primary Part Number | 219708 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Width Across Flats | 0.6060 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nondefinitive Spec/std Data | A TYPE |
| Nut Height | 0.185 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR 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 |
|---|---|
| 219708 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 84 | 5/9 Secondary reference U.S. Government activity |
| MILB857TYPEA | 4/1 Identification reference U.S. Government activity |
| 219708 | 5/9 Secondary reference General Motors Corp |
| X18-14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-021-9708 is a Nut,plain,hexagon, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-021-9708 has 1 manufacturer part number on file: 219708 (General Motors Llc Dba General Motors Llc).
Key specifications for 219708: Width Across Flats: 0.6060 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 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.