The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-521-2137, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-521-2137 |
| Primary Part Number | 998-4941 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hiab Usa Inc |
| 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 |
|---|---|
| 998-4941 PRIMARY | Hiab Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 446-3251 | D/9 Drawing number reference only Hiab Usa Inc |
NSN 5310-01-521-2137 is a Nut,plain,hexagon, manufactured by Hiab Usa Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-521-2137 has 1 manufacturer part number on file: 998-4941 (Hiab Usa Inc).
Key specifications for 998-4941: Part Name Assigned by Controlling Agency: FCH. SCREW; End Item Identification: 2320014950110, TRUCK, CARGO. 0 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.