The O-Ring, cataloged under National Stock Number 5331-00-143-8626, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-143-8626 |
| Primary Part Number | 2-50S326-5 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Center Hole Diameter | 5.172 INCHES MINIMUM AND 5.244 INCHES MAXIMUM IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10224821-3 | Us Army Aviation and Missile Command (USA) |
| 2-50S326-5 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 10045071 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5330001438626 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5330001438626 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5331-00-143-8626 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-143-8626 has 2 manufacturer part numbers on file: 10224821-3 (Us Army Aviation and Missile Command), 2-50S326-5 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 2-50S326-5: Cross-Sectional Height: 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Center Hole Diameter: 5.172 INCHES MINIMUM AND 5.244 INCHES MAXIMUM IN; Material: RUBBER. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.