The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-591-7908, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Bae Systems Land & Armaments L.p. (CAGE 54786); Amz Alabama Inc. (CAGE 076M6); Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-591-7908 |
| Primary Part Number | 6445661-01M1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| 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 |
|---|---|
| 6445661-01M1 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 6445661-01M1 | Amz Alabama Inc. (USA) |
| 6445661-01M1 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 6445661-01M1 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
| 6445661 | D/9 Drawing number reference only Bae Systems Survivability Systems Llc |
NSN 5310-01-591-7908 is a Nut,plain,hexagon, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-591-7908 has 3 manufacturer part numbers on file: 6445661-01M1 (Bae Systems Land & Armaments L.p.), 6445661-01M1 (Amz Alabama Inc.), 6445661-01M1 (Caterpillar Inc Div Caterpillar Defense).
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.