The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-521-0477, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-521-0477 |
| Primary Part Number | 3376770 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Nut Style | HEXAGON |
| Hole Type and Quantity | 1 DRILLED |
| 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 |
|---|---|
| 6KK606 | Oshkosh Defense Llc (USA) |
| 3376770 PRIMARY | Hiab Usa Inc (USA) |
| 06112142306 | Man Truck & Bus Se (DEU) |
| Reference | Meaning |
|---|---|
| 984-2870-1 | D/9 Drawing number reference only Hiab Usa Inc |
| 6KK606 | 5/9 Secondary reference Oshkosh Corp |
| 984-3230 | 5/9 Secondary reference Hiab Usa Inc |
NSN 5310-01-521-0477 is a Nut,self-Locking,hexagon, manufactured by Hiab Usa Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-521-0477 has 3 manufacturer part numbers on file: 6KK606 (Oshkosh Defense Llc), 3376770 (Hiab Usa Inc), 06112142306 (Man Truck & Bus Se).
Key specifications for 3376770: Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: LOCK NUT; Nut Style: HEXAGON; End Item Identification: 2320014950110, TRUCK, CARGO. 3 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.