The O-Ring, cataloged under National Stock Number 5331-01-006-2131, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-006-2131 |
| Primary Part Number | 2-475E540-80 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 25.820 INCHES MINIMUM AND 26.060 INCHES MAXIMUM IN |
| Temp Rating | -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Outside Diameter | 26.358 INCHES MINIMUM AND 26.622 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| N190475E000 | Jered Llc (USA) |
| H20089G001PC9 | Jered Llc (USA) |
| AS568-475 | Society of Automotive Engineers Inc (USA) |
| AS568-475 | Sae International Dba Sae International (USA) |
| 2-475E540-80 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-475E540-8 | Zf Industrieantriebe Witten Gmbh (DEU) |
| D2000 | American Society for Testing and Materials Dba Astm International (USA) |
NSN 5331-01-006-2131 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-006-2131 has 7 cross-referenced part numbers: N190475E000 (Jered Llc), H20089G001PC9 (Jered Llc), AS568-475 (Society of Automotive Engineers Inc), AS568-475 (Sae International Dba Sae International), 2-475E540-80 (Parker-Hannifin Corp Div O-Ring Division) and 2 more.
There are 3 known substitutes for 5331-01-006-2131: 5331-00-135-5098, 5331-01-019-2067, 5330-01-362-3955. Verify interchangeability with system specifications before substitution.
Key specifications for 2-475E540-80: Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 25.820 INCHES MINIMUM AND 26.060 INCHES MAXIMUM IN; Temp Rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF. 6 total characteristics are documented in the Federal Logistics Information System.