The O-Ring, cataloged under National Stock Number 5331-01-197-9278, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Clark Equipment Co Div Doosan Infracore Portable Power. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Clark Equipment Co Div Doosan Infracore Portable Power (CAGE 33968) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-197-9278 |
| Primary Part Number | 20A11C2M224 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Clark Equipment Co Div Doosan Infracore Portable Power |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 20A11C2M224 PRIMARY | Clark Equipment Co Div Doosan Infracore Portable Power (USA) |
| 95022257 PRIMARY | Clark Equipment Co Div Doosan Infracore Portable Power (USA) |
| 95357935 | Clark Equipment Co Div Doosan Infracore Portable Power (USA) |
| Reference | Meaning |
|---|---|
| 20A11C2M2224 | 5/9 Secondary reference Clark Equipment Co Div Doosan Infracore Portable Power |
NSN 5331-01-197-9278 is a O-Ring, manufactured by Clark Equipment Co Div Doosan Infracore Portable Power, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-197-9278 has 3 manufacturer part numbers on file: 20A11C2M224 (Clark Equipment Co Div Doosan Infracore Portable Power), 95022257 (Clark Equipment Co Div Doosan Infracore Portable Power), 95357935 (Clark Equipment Co Div Doosan Infracore Portable Power).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-342-5437. Verify interchangeability with system specifications before substitution.
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.