The O-Ring, cataloged under National Stock Number 5331-01-695-4912, 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 | 5331-01-695-4912 |
| Primary Part Number | 2-222 NBR |
| 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 | 52.5 MILLIMETERS NOMINAL MM |
| Outside Diameter | 52.5 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ISO1179-1 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 37.69 MILLIMETERS NOMINAL MM |
| Material | RUBBER BUTADIENE NITRILE |
| 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 |
|---|---|
| 2-222 NBR PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
NSN 5331-01-695-4912 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-695-4912 has 1 manufacturer part number on file: 2-222 NBR (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 2-222 NBR: Cross-Sectional Height: 52.5 MILLIMETERS NOMINAL MM; Outside Diameter: 52.5 MILLIMETERS NOMINAL MM; Material Document and Classification: ISO1179-1 ASSN STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 37.69 MILLIMETERS NOMINAL MM. 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.