The O-Ring, cataloged under National Stock Number 5331-01-695-4522, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-695-4522 |
| Primary Part Number | 2-018 FKM |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Temp Rating | -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Hardness Rating | 50.0 SHORE DUROMETER A NOMINAL |
| Color | BROWN |
| Center Hole Diameter | 0.739 INCHES NOMINAL IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 2-018 FKM PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
NSN 5331-01-695-4522 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-695-4522 has 1 manufacturer part number on file: 2-018 FKM (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 2-018 FKM: Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL; Color: BROWN; Center Hole Diameter: 0.739 INCHES NOMINAL IN. 5 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.