The Ring,piston, cataloged under National Stock Number 4310-01-232-2866, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Ring,piston |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations (CAGE 25561) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-232-2866 |
| Primary Part Number | P-82382-2 ITEM 22 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations |
| Status | ACTIVE |
| 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 |
|---|---|
| P-82382-2 ITEM 22 PRIMARY | Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations (USA) |
| Reference | Meaning |
|---|---|
| P-82382-2 | D/9 Drawing number reference only Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations |
NSN 4310-01-232-2866 is a Ring,piston, manufactured by Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-232-2866 has 1 manufacturer part number on file: P-82382-2 ITEM 22 (Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-233-5045. 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.