The O-Ring, cataloged under National Stock Number 5331-01-334-9951, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fmc Technologies Inc Dba Fmc Fluid Control. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Fmc Technologies Inc Dba Fmc Fluid Control (CAGE 71454); Idsc Holdings Dba Equiserv Dba Equiserv (CAGE 50492) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-334-9951 |
| Primary Part Number | 320341 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fmc Technologies Inc Dba Fmc Fluid Control |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 5331-01-334-9951 is a O-Ring, manufactured by Fmc Technologies Inc Dba Fmc Fluid Control, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-334-9951 has 2 manufacturer part numbers on file: 320341 (Fmc Technologies Inc Dba Fmc Fluid Control), 320341 (Idsc Holdings Dba Equiserv Dba Equiserv).
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.