The O-Ring, cataloged under National Stock Number 5331-01-031-8256, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-031-8256 |
| Primary Part Number | 2507294-23 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2507294-23 | Parco, Llc (USA) |
| 2507294-23 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2507294-23 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-037 N674-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2507294-23 | Naval Sea Systems Command (USA) |
NSN 5331-01-031-8256 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-031-8256 has 5 cross-referenced part numbers: 2507294-23 (Parco, Llc), 2507294-23 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2507294-23 (Parker-Hannifin Corp Div O-Ring Division), 2-037 N674-7 (Parker-Hannifin Corp Div O-Ring Division), 2507294-23 (Naval Sea Systems Command).
There is 1 known substitute for 5331-01-031-8256: 5331-00-610-5699. Verify interchangeability with system specifications before substitution.
Key specifications for 2507294-23: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.