The O-Ring, cataloged under National Stock Number 5331-01-522-0637, 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 4 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-522-0637 |
| Primary Part Number | OR20X2VITX |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Cross-Sectional Height | 2.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 20.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| OR20X2VITX | Enzed Albury Shargue Enterprises Pty Ltd (AUS) |
| OR20X2VITX | Parker Hannifin (australia) Pty. Limited (AUS) |
| OR20X2VITX PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 7424514760 | Arquus (FRA) |
| Reference | Meaning |
|---|---|
| OR20X2VITX | 5/9 Secondary reference Enzed Service Centre Albury |
NSN 5331-01-522-0637 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-522-0637 has 4 manufacturer part numbers on file: OR20X2VITX (Enzed Albury Shargue Enterprises Pty Ltd), OR20X2VITX (Parker Hannifin (australia) Pty. Limited), OR20X2VITX (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 7424514760 (Arquus).
Key specifications for OR20X2VITX: Cross-Sectional Height: 2.0 MILLIMETERS NOMINAL MM; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 20.0 MILLIMETERS NOMINAL MM; End Item Identification: DOOR ASSEMBLY. 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.