The O-Ring, cataloged under National Stock Number 5331-01-309-4682, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp Nuclear Energy Systems Water Reactors Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Westinghouse Electric Corp Nuclear Energy Systems Water Reactors Div (CAGE 62324) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-309-4682 |
| Primary Part Number | 1D64732H10 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Westinghouse Electric Corp Nuclear Energy Systems Water Reactors Div |
| 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 |
|---|---|
| 1D64732H10 PRIMARY | Westinghouse Electric Corp Nuclear Energy Systems Water Reactors Div (USA) |
| Reference | Meaning |
|---|---|
| 1D64732H10 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-309-4682 is a O-Ring, manufactured by Westinghouse Electric Corp Nuclear Energy Systems Water Reactors Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-309-4682 has 1 manufacturer part number on file: 1D64732H10 (Westinghouse Electric Corp Nuclear Energy Systems Water Reactors Div).
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.