The O-Ring, cataloged under National Stock Number 5331-00-585-0397, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-585-0397 |
| Primary Part Number | AS3578-340 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 200 MAXIMUM |
| Center Hole Diameter | 3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 3.770 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SAE-AS3578 | Sae International Dba Sae International (USA) |
| MS9021-340 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AS3578-340 PRIMARY | Sae International Dba Sae International (USA) |
| AS3578-340 | Society of Automotive Engineers Inc (USA) |
NSN 5331-00-585-0397 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-585-0397 has 4 cross-referenced part numbers: SAE-AS3578 (Sae International Dba Sae International), MS9021-340 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS3578-340 (Sae International Dba Sae International), AS3578-340 (Society of Automotive Engineers Inc).
There is 1 known substitute for 5331-00-585-0397: 5331-00-251-9373. Verify interchangeability with system specifications before substitution.
Key specifications for AS3578-340: Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 200 MAXIMUM; Center Hole Diameter: 3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-585-0397 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.