The Ring,piston, cataloged under National Stock Number 4310-00-659-6963, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Double Seal Ring Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Ring,piston |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Double Seal Ring Co (CAGE 71975); Mitsubishi Caterpillar Forklift America, Inc (CAGE 78640); Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 4310-00-659-6963 |
| Primary Part Number | DS4395 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Double Seal Ring Co |
| 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 |
NSN 4310-00-659-6963 is a Ring,piston, manufactured by Double Seal Ring Co, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-659-6963 has 3 manufacturer part numbers on file: DS4395 (Double Seal Ring Co), 68668 (Mitsubishi Caterpillar Forklift America, Inc), 068668 (Caterpillar Inc Div Caterpillar Defense).
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.