The O-Ring, cataloged under National Stock Number 5331-00-531-2230, 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 16 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-531-2230 |
| Primary Part Number | AS3578-218 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Outside Diameter | 1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN |
| 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 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-218 N506-65 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-218 N506-65 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| 199064 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 317S23 | Airmotive Carburetor (USA) |
| 288149 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| AS3578-218 | Dbr Industries, Inc. Dba Dbr Industries Inc (USA) |
| AS3578-218 | Society of Automotive Engineers Inc (USA) |
| PRP568-218-4024-65 | Parco, Llc (USA) |
| AMS7271 | Sae International Dba Sae International (USA) |
| 287-1166P105 | Raytheon Company Div Corp (USA) |
| MS9021-218 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 317S23 | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA) |
| 182495 | Woodward, Inc. Div Fuel Systems and Controls (USA) |
| AS3578-218 PRIMARY | Sae International Dba Sae International (USA) |
| MS9021-218ES | Eriks B.v. (NLD) |
| SAE-AS3578 | Sae International Dba Sae International (USA) |
NSN 5331-00-531-2230 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-531-2230 has 16 cross-referenced part numbers: 2-218 N506-65 (Parker-Hannifin Corp Div O-Ring Division), 2-218 N506-65 (Parker Hannifin Gmbh O-Ring Division), 199064 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 317S23 (Airmotive Carburetor), 288149 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 11 more.
There are 12 known substitutes for 5331-00-531-2230: 5331-00-064-4354, 5331-00-104-7959, 5331-00-515-6331 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS3578-218: Outside Diameter: 1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN; Center Hole Diameter: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-531-2230 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.