The O-Ring, cataloged under National Stock Number 5331-00-040-9789, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-040-9789 |
| Primary Part Number | N0951 2-223 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 1.864 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 1.594 INCHES MINIMUM AND 1.624 INCHES MAXIMUM 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 |
|---|---|
| 12610-057 | Dynalec Corporation (USA) |
| 6F-0711 | Pon Equipment B.v. (NLD) |
| 2-223N951-75 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 6F0711 | Caterpillar Inc Div Caterpillar Defense (USA) |
| PL62425-000 REV A FIND NO. 29 | Dynalec Corporation (USA) |
| N0951 2-223 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-00-040-9789 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-040-9789 has 6 manufacturer part numbers on file: 12610-057 (Dynalec Corporation), 6F-0711 (Pon Equipment B.v.), 2-223N951-75 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 6F0711 (Caterpillar Inc Div Caterpillar Defense), PL62425-000 REV A FIND NO. 29 (Dynalec Corporation) and 1 more.
Key specifications for N0951 2-223: Temp Rating: -25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 1.864 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 7 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.