The O-Ring, cataloged under National Stock Number 5331-00-585-4478, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-585-4478 |
| Primary Part Number | 902-15 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 0.734 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 50001-210-0020 | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA) |
| 902-15 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 50001-210-0020 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-585-4478 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-585-4478 has 2 manufacturer part numbers on file: 50001-210-0020 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 902-15 (Parker Hannifin Corporation Div O-Ring Division).
4 possible matches (shared part number, not a government interchangeability claim): 5975-00-709-1756, 3120-00-809-6683, 5360-00-967-4783. Verify interchangeability with system specifications before substitution.
Key specifications for 902-15: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Color: BLACK; Center Hole Diameter: 0.734 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 4 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.