The O-Ring, cataloged under National Stock Number 5331-01-279-0491, 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 3 commercial cross-references from 3 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 | 5331-01-279-0491 |
| Primary Part Number | 1557052-14 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Center Hole Diameter | 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1557052-14 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 1557052-14 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 1557052-14 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5331-01-279-0491 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-279-0491 has 3 cross-referenced part numbers: 1557052-14 (Parker-Hannifin Corp Div O-Ring Division), 1557052-14 (Parker Hannifin Corporation Div O-Ring Division), 1557052-14 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 2 known substitutes for 5331-01-279-0491: 5331-00-542-1421, 5331-01-046-0629. Verify interchangeability with system specifications before substitution.
Key specifications for 1557052-14: Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.