The O-Ring, cataloged under National Stock Number 5331-00-551-8250, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-551-8250 |
| Primary Part Number | AS3578-020 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Outside Diameter | 0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.0858 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS3578-020 | Society of Automotive Engineers Inc (USA) |
| PRP568-020-4024-65 | Parco, Llc (USA) |
| 29822-96 | Triumph Engine Control Systems Llc (USA) |
| SAE-AS3578 | Sae International Dba Sae International (USA) |
| 422-7939 | Nimikkeistokeskus Ncb Finland (FIN) |
| 2-020 N506-65 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-0N506-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-020 N506-65 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| 5330005518250 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| AS3578-020 PRIMARY | Sae International Dba Sae International (USA) |
| MS9021-020 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AS3578-020 | Seal Dynamics Llc (USA) |
NSN 5331-00-551-8250 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-551-8250 has 12 cross-referenced part numbers: AS3578-020 (Society of Automotive Engineers Inc), PRP568-020-4024-65 (Parco, Llc), 29822-96 (Triumph Engine Control Systems Llc), SAE-AS3578 (Sae International Dba Sae International), 422-7939 (Nimikkeistokeskus Ncb Finland) and 7 more.
There are 2 known substitutes for 5331-00-551-8250: 5331-01-015-3371, 5331-01-388-3987. Verify interchangeability with system specifications before substitution.
Key specifications for AS3578-020: Outside Diameter: 0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-551-8250 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.