The Nut,retaining, cataloged under National Stock Number 5310-01-066-9526, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Portland Valve Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Nut,retaining |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Portland Valve Llc (CAGE 53154); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-066-9526 |
| Primary Part Number | SS845-2050575PC6 |
| Item Name | Nut,retaining |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| SS845-2050575PC6 PRIMARY | Portland Valve Llc (USA) |
| SS845-2050575PC6 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SS845-2050575 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-066-9526 is a Nut,retaining, manufactured by Portland Valve Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-066-9526 has 2 manufacturer part numbers on file: SS845-2050575PC6 (Portland Valve Llc), SS845-2050575PC6 (Naval Sea Systems Command).
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.