The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-449-0336, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Inc. Div Gdls Global Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-449-0336 |
| Primary Part Number | 7576666-002 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Land Systems Inc. Div Gdls Global Llc |
| Status | ACTIVE |
| Width Across Flats | 0.660 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.320 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 304 OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 7576666-002 | General Dynamics Land Systems Canadacorp (CAN) |
| 7576666-002 PRIMARY | General Dynamics Land Systems Inc. Div Gdls Global Llc (USA) |
| Reference | Meaning |
|---|---|
| 7576666-002 | 3/9 Design control — primary reference General Dynamics Land Systems Inc. |
NSN 5310-01-449-0336 is a Nut,plain,hexagon, manufactured by General Dynamics Land Systems Inc. Div Gdls Global Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-449-0336 has 2 manufacturer part numbers on file: 7576666-002 (General Dynamics Land Systems Canadacorp), 7576666-002 (General Dynamics Land Systems Inc. Div Gdls Global Llc).
Key specifications for 7576666-002: Width Across Flats: 0.660 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.500 INCHES IN. 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.