The Nut,plain,cap, cataloged under National Stock Number 5310-00-262-5527, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-262-5527 |
| Primary Part Number | 3373321 |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 1.188 INCHES NOMINAL IN |
| Nut Style | CAP |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| 3373321 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3373321 | 5/9 Secondary reference General Motors Corp |
| 8038995 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
NSN 5310-00-262-5527 is a Nut,plain,cap, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-262-5527 has 1 manufacturer part number on file: 3373321 (General Motors Llc Dba General Motors Llc).
Key specifications for 3373321: Width Across Flats: 0.688 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 10 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.