The O-Ring, cataloged under National Stock Number 5331-00-021-3638, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 5331-00-021-3638 |
| Primary Part Number | 149-2337 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Center Hole Diameter | 2.790 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 149-2337 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 2-149C147-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| MY1110 | Lodestone Corp Div of Fedders Corp (USA) |
| 525237 | Lodestone Corp Div of Fedders Corp (USA) |
| C0147 2-149 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-00-021-3638 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-021-3638 has 5 cross-referenced part numbers: 149-2337 (Parker Hannifin Corporation Div O-Ring Division), 2-149C147-70 (Parker-Hannifin Corp Div O-Ring Division), MY1110 (Lodestone Corp Div of Fedders Corp), 525237 (Lodestone Corp Div of Fedders Corp), C0147 2-149 (Parker-Hannifin Corp Div O-Ring Division).
There are 2 known substitutes for 5331-00-021-3638: 5331-00-021-3637, 2840-00-909-0655. Verify interchangeability with system specifications before substitution.
Key specifications for 149-2337: Material: RUBBER CHLOROPRENE CLASS CR; Center Hole Diameter: 2.790 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.