The Ring,piston, cataloged under National Stock Number 4310-01-324-5083, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Parker Hannifin Corporation Div Cylinder Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 Corporation Div Cylinder Division (CAGE 13829) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-324-5083 |
| Primary Part Number | 375 3020 129 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| 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 |
|---|---|
| 375 3020 129 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
| 377 6311 001ITEM6 | Parker Hannifin Corporation Div Cylinder Division (USA) |
| Reference | Meaning |
|---|---|
| 377 6311 001 | D/9 Drawing number reference only Parker Hannifin Corporation Div Cylinder Division |
NSN 4310-01-324-5083 is a Ring,piston, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-324-5083 has 2 manufacturer part numbers on file: 375 3020 129 (Parker Hannifin Corporation Div Cylinder Division), 377 6311 001ITEM6 (Parker Hannifin Corporation Div Cylinder Division).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-324-9392, 4730-01-325-3043. 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.