The O-Ring, cataloged under National Stock Number 5331-00-255-5335, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-255-5335 |
| Primary Part Number | 2-239E540-80 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | CANCELLED |
| Temp Rating | -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 3.851 INCHES MINIMUM AND 3.923 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 3.594 INCHES MINIMUM AND 3.624 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A-239 | Porter Seal Co (USA) |
| 2-239E540-80 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-00-255-5335 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-255-5335 has 2 cross-referenced part numbers: A-239 (Porter Seal Co), 2-239E540-80 (Parker-Hannifin Corp Div O-Ring Division).
There are 8 known substitutes for 5331-00-255-5335: 2805-00-024-2089, 6640-00-111-0058, 5306-00-144-3709 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2-239E540-80: Temp Rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 3.851 INCHES MINIMUM AND 3.923 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-255-5335 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.