The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-436-1730, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grundfos Pumps Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Grundfos Dk A/s (CAGE R0589); Grundfos Pumps Corp (CAGE 66584) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-436-1730 |
| Primary Part Number | 320251 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Grundfos Pumps Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 5310-01-436-1730 is a Nut,plain,hexagon, manufactured by Grundfos Pumps Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-436-1730 has 2 manufacturer part numbers on file: 320251 (Grundfos Dk A/s), 320251 (Grundfos Pumps Corp).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-628-9569. Verify interchangeability with system specifications before substitution.
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.