The O-Ring, cataloged under National Stock Number 5331-00-494-7803, 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 5 commercial cross-references from 5 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 | 5331-00-494-7803 |
| Primary Part Number | 3-903 V747-75 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Temp Rating | -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Outside Diameter | 0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R149P903J | General Electric Company (USA) |
| 5140-534051-190 | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| 3-903-V747-75 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 3-903 V747-75 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 3-903 V747-75 | Parker Hannifin Gmbh O-Ring Division (DEU) |
NSN 5331-00-494-7803 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-494-7803 has 5 cross-referenced part numbers: R149P903J (General Electric Company), 5140-534051-190 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 3-903-V747-75 (Zf Industrieantriebe Witten Gmbh), 3-903 V747-75 (Parker-Hannifin Corp Div O-Ring Division), 3-903 V747-75 (Parker Hannifin Gmbh O-Ring Division).
There is 1 known substitute for 5331-00-494-7803: 5331-00-165-1972. Verify interchangeability with system specifications before substitution.
Key specifications for 3-903 V747-75: Material: RUBBER FLUOROCARBON CLASS FPM; Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN; Outside Diameter: 0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.