The O-Ring, cataloged under National Stock Number 5331-01-303-5378, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Grundfos Pumps Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Grundfos Pumps Corp (CAGE 66584) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-303-5378 |
| Primary Part Number | ID0945 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| 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) |
| Part Number | Manufacturer |
|---|---|
| ID0945 PRIMARY | Grundfos Pumps Corp (USA) |
| Reference | Meaning |
|---|---|
| 48690906 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-303-5378 is a O-Ring, manufactured by Grundfos Pumps Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-303-5378 has 1 manufacturer part number on file: ID0945 (Grundfos Pumps Corp).
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.