The O-Ring, cataloged under National Stock Number 5331-01-031-1345, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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 | 5331-01-031-1345 |
| Primary Part Number | 2507294-11 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Criticality Code Justification | MATT |
| Outside Diameter | 0.864 INCHES MINIMUM AND 0.894 INCHES MAXIMUM IN |
| Elongation Percentage | 331 MAXIMUM |
| Temp Rating | -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 0.730 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-018 N674-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2507294-11 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2-018 N674-70 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-018 N674-70 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| 2507294-11 | Parco, Llc (USA) |
| 2507294-11 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2507294-11 | Naval Sea Systems Command (USA) |
| 2507294-11 | Parker Brownsville Servicio S.a. De C.v. (MEX) |
NSN 5331-01-031-1345 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-031-1345 has 8 cross-referenced part numbers: 2-018 N674-7 (Parker-Hannifin Corp Div O-Ring Division), 2507294-11 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2-018 N674-70 (Zf Industrieantriebe Witten Gmbh), 2-018 N674-70 (Parker Hannifin Gmbh O-Ring Division), 2507294-11 (Parco, Llc) and 3 more.
There are 2 known substitutes for 5331-01-031-1345: 5331-00-400-8480, 5331-01-058-4030. Verify interchangeability with system specifications before substitution.
Key specifications for 2507294-11: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Criticality Code Justification: MATT; Outside Diameter: 0.864 INCHES MINIMUM AND 0.894 INCHES MAXIMUM IN; Elongation Percentage: 331 MAXIMUM. 8 total characteristics are documented in the Federal Logistics Information System.