The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-166-6670, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Portland Valve Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-166-6670 |
| Primary Part Number | 043-0013-30 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Nut Style | HEXAGON |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 2BC403 | Oshkosh Defense Llc (USA) |
| 043-0013-30 PRIMARY | Portland Valve Llc (USA) |
| S-2161-10 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 2BC403 | 5/9 Secondary reference Oshkosh Corp |
| S-2161-10 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-166-6670 is a Nut,plain,hexagon, manufactured by Portland Valve Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-166-6670 has 3 manufacturer part numbers on file: 2BC403 (Oshkosh Defense Llc), 043-0013-30 (Portland Valve Llc), S-2161-10 (Oshkosh Defense Llc).
Key specifications for 043-0013-30: Nut Style: HEXAGON; Material: STEEL CORROSION RESISTING OVERALL. 2 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.