The O-Ring, cataloged under National Stock Number 5331-01-020-5951, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-020-5951 |
| Primary Part Number | 2-015E540-80 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | CANCELLED |
| Temp Rating | -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Outside Diameter | 0.678 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.544 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-015E540-80 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-015E540-8 | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| AS568-015 | Society of Automotive Engineers Inc (USA) |
| 2-015 E540-80 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| D2000GRM2AA815A13F17EA14 | American Society for Testing and Materials Dba Astm International (USA) |
| AS568-015 | Sae International Dba Sae International (USA) |
| 2-015E540-8 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 10121177 | Nimikkeistokeskus Ncb Finland (FIN) |
NSN 5331-01-020-5951 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-020-5951 has 8 cross-referenced part numbers: 2-015E540-80 (Parker-Hannifin Corp Div O-Ring Division), 2-015E540-8 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), AS568-015 (Society of Automotive Engineers Inc), 2-015 E540-80 (Parker Hannifin Gmbh O-Ring Division), D2000GRM2AA815A13F17EA14 (American Society for Testing and Materials Dba Astm International) and 3 more.
There are 10 known substitutes for 5331-01-020-5951: 5331-00-439-8123, 5331-00-831-6640, 5331-00-845-8343 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2-015E540-80: Temp Rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Outside Diameter: 0.678 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-020-5951 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.