The O-Ring, cataloged under National Stock Number 5331-00-375-7090, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-375-7090 |
| Primary Part Number | K1-3801-1000422PC6261 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.731 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5942-21SA5PC6261 | Hunt Valve Company, Inc. (USA) |
| K1-3801-1000422PC6261 PRIMARY | Naval Ship Systems Command (USA) |
| 6745PC6261 | Hunt Valve Company, Inc. (USA) |
| 6745PC6261 PRIMARY | Hunt Valve Company, Inc. (USA) |
| 5954-21SA5PC6261 | Hunt Valve Company, Inc. (USA) |
| 576-4824-1506669REVAPC6261 PRIMARY | Naval Ship Systems Command (USA) |
| 6261 PRIMARY | Hunt Valve Company, Inc. (USA) |
| 5942-21SA5PC6261 PRIMARY | Hunt Valve Company, Inc. (USA) |
| 6261 | Hunt Valve Company, Inc. (USA) |
| 5954-21SA5PC6261 PRIMARY | Hunt Valve Company, Inc. (USA) |
| 6261 | Parker Hannifin Corporation Div O-Ring Division (USA) |
NSN 5331-00-375-7090 is a O-Ring, manufactured by Naval Ship Systems Command, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-375-7090 has 11 cross-referenced part numbers: 5942-21SA5PC6261 (Hunt Valve Company, Inc.), K1-3801-1000422PC6261 (Naval Ship Systems Command), 6745PC6261 (Hunt Valve Company, Inc.), 6745PC6261 (Hunt Valve Company, Inc.), 5954-21SA5PC6261 (Hunt Valve Company, Inc.) and 6 more.
There are 7 known substitutes for 5331-00-375-7090: 5950-00-169-9169, 4820-00-287-3317, 5340-00-316-9250 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for K1-3801-1000422PC6261: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 1.731 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.