The O-Ring, cataloged under National Stock Number 5331-01-143-6598, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-143-6598 |
| Primary Part Number | 2-271E540-80 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | CANCELLED |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 9.179 INCHES MINIMUM AND 9.289 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Outside Diameter | 9.449 INCHES MINIMUM AND 9.575 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Temp Rating | -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-271E540-80 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| E0540 2-271 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 271-00 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 271 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 5331-01-143-6598 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-143-6598 has 4 cross-referenced part numbers: 2-271E540-80 (Parker-Hannifin Corp Div O-Ring Division), E0540 2-271 (Parker-Hannifin Corp Div O-Ring Division), 271-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 271 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 11 known substitutes for 5331-01-143-6598: 5340-00-053-8008, 5975-00-152-1146, 1650-00-337-5055 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2-271E540-80: Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 9.179 INCHES MINIMUM AND 9.289 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM; Outside Diameter: 9.449 INCHES MINIMUM AND 9.575 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-143-6598 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.