The O-Ring, cataloged under National Stock Number 5331-00-550-6617, 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 9 commercial cross-references from 8 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 | 5331-00-550-6617 |
| Primary Part Number | AS3578-221 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Outside Diameter | 1.679 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.415 INCHES MINIMUM AND 1.427 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M59021-221 | Zf Industrieantriebe Witten Gmbh (DEU) |
| AS3578-221 | Society of Automotive Engineers Inc (USA) |
| PRP568-221-4024-65 | Parco, Llc (USA) |
| AS3578-221 PRIMARY | Sae International Dba Sae International (USA) |
| 2-221 N506-65 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| SAE-AS3578 | Sae International Dba Sae International (USA) |
| 10163307 | Nimikkeistokeskus Ncb Finland (FIN) |
| 2-221 N506-65 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| MS9021-221 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5331-00-550-6617 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-550-6617 has 9 cross-referenced part numbers: M59021-221 (Zf Industrieantriebe Witten Gmbh), AS3578-221 (Society of Automotive Engineers Inc), PRP568-221-4024-65 (Parco, Llc), AS3578-221 (Sae International Dba Sae International), 2-221 N506-65 (Parker-Hannifin Corp Div O-Ring Division) and 4 more.
There are 2 known substitutes for 5331-00-550-6617: 3110-00-205-3722, 6625-00-841-7096. Verify interchangeability with system specifications before substitution.
Key specifications for AS3578-221: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Outside Diameter: 1.679 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-550-6617 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.