The O-Ring, cataloged under National Stock Number 5331-00-821-1759, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 5331-00-821-1759 |
| Primary Part Number | 2-448B318-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Center Hole Diameter | 9.420 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Outside Diameter | 9.958 INCHES MINIMUM AND 10.092 INCHES MAXIMUM IN |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 101730-33 | Aqua-Chem, Inc. (USA) |
| 5-27926PC33 | Aqua-Chem, Inc. (USA) |
| 2-448B318-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-00-821-1759 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-821-1759 has 3 cross-referenced part numbers: 101730-33 (Aqua-Chem, Inc.), 5-27926PC33 (Aqua-Chem, Inc.), 2-448B318-70 (Parker-Hannifin Corp Div O-Ring Division).
There is 1 known substitute for 5331-00-821-1759: 6695-01-264-8169. Verify interchangeability with system specifications before substitution.
Key specifications for 2-448B318-70: Center Hole Diameter: 9.420 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Outside Diameter: 9.958 INCHES MINIMUM AND 10.092 INCHES MAXIMUM IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR. 4 total characteristics are documented in the Federal Logistics Information System.