The O-Ring, cataloged under National Stock Number 5331-00-291-7380, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is C. E. Conover & Co., Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 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 | 5331-00-291-7380 |
| Primary Part Number | 2-2587177 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | C. E. Conover & Co., Inc. |
| Status | CANCELLED |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Outside Diameter | 6.262 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 5.961 INCHES MINIMUM AND 6.007 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-258 N674-70 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-258N179-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AN124018 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 192409-5 | Avibras Divisao Aerea E Naval S/a (BRA) |
| NS-258 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-2587177 PRIMARY | C. E. Conover & Co., Inc. (USA) |
| AN124018 | Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group |
| AS3569-258 PRIMARY | Sae International Dba Sae International (USA) |
| AN124018 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AN124018 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 2-258 | Zoomar Inc (USA) |
| AS3569-258 | Society of Automotive Engineers Inc (USA) |
| SAE-AS3569 | Sae International Dba Sae International (USA) |
NSN 5331-00-291-7380 is a O-Ring, manufactured by C. E. Conover & Co., Inc., classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-291-7380 has 13 cross-referenced part numbers: 2-258 N674-70 (Zf Industrieantriebe Witten Gmbh), 2-258N179-70 (Parker-Hannifin Corp Div O-Ring Division), AN124018 (Zf Industrieantriebe Witten Gmbh), 192409-5 (Avibras Divisao Aerea E Naval S/a), NS-258 (Zf Industrieantriebe Witten Gmbh) and 8 more.
There are 12 known substitutes for 5331-00-291-7380: 6145-00-023-6924, 5950-00-246-5144, 5945-00-387-2396 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2-2587177: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Outside Diameter: 6.262 INCHES NOMINAL 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 5331-00-291-7380 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.