The O-Ring, cataloged under National Stock Number 5331-01-540-2952, 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. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-540-2952 |
| Primary Part Number | 3265318 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fmc Technologies Inc Dba Fmc Fluid Control |
| Status | ACTIVE |
| Cross-Sectional Height | 0.118 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 1.720 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3265318 PRIMARY | Fmc Technologies Inc Dba Fmc Fluid Control (USA) |
| 3268125 ITEM 28 | Fmc Technologies Inc Dba Fmc Fluid Control (USA) |
NSN 5331-01-540-2952 is a O-Ring, manufactured by Fmc Technologies Inc Dba Fmc Fluid Control, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-540-2952 has 2 manufacturer part numbers on file: 3265318 (Fmc Technologies Inc Dba Fmc Fluid Control), 3268125 ITEM 28 (Fmc Technologies Inc Dba Fmc Fluid Control).
Key specifications for 3265318: Cross-Sectional Height: 0.118 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 1.720 INCHES NOMINAL IN; End Item Identification: REVERSE OSMOSIS WATER PURIFICATION PUMP NSN 4320-01-422-9401. 4 specifications are documented in the U.S. Government catalog.
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.