The O-Ring, cataloged under National Stock Number 5331-01-031-8251, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-031-8251 |
| Primary Part Number | 2507294-72 |
| 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 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2507294-72 | Parco, Llc (USA) |
| 2-019 N674-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2507294-72 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 2507294-72 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| N219-7-2-010 | O T S I (USA) |
| 95000-019 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2507294-72 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2507294-72 | Naval Sea Systems Command (USA) |
| N0674 2-019 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2507294-72 | Parker Brownsville Servicio S.a. De C.v. (MEX) |
NSN 5331-01-031-8251 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-031-8251 has 10 cross-referenced part numbers: 2507294-72 (Parco, Llc), 2-019 N674-7 (Parker-Hannifin Corp Div O-Ring Division), 2507294-72 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 2507294-72 (Parker-Hannifin Corp Div O-Ring Division), N219-7-2-010 (O T S I) and 5 more.
There are 2 known substitutes for 5331-01-031-8251: 5331-00-489-1012, 5331-00-584-0266. Verify interchangeability with system specifications before substitution.
Key specifications for 2507294-72: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: MK-48 TORPEDO. 2 total characteristics are documented in the Federal Logistics Information System.