The O-Ring, cataloged under National Stock Number 5331-01-281-4340, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-281-4340 |
| Primary Part Number | 1557052-27 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Height | 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1557052-27 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 1557052-27 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1557052-27 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-01-281-4340 is a O-Ring, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-281-4340 has 3 cross-referenced part numbers: 1557052-27 (Parker Hannifin Corporation Div O-Ring Division), 1557052-27 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1557052-27 (Parker-Hannifin Corp Div O-Ring Division).
There is 1 known substitute for 5331-01-281-4340: 5331-00-531-2068. Verify interchangeability with system specifications before substitution.
Key specifications for 1557052-27: Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.