The Piston,pump, cataloged under National Stock Number 4320-01-478-3892, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Cummins Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | Piston,pump |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Cadillac Gage Textron Inc. (CAGE 10237); Cummins Inc. (CAGE 15434) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-478-3892 |
| Primary Part Number | 3056530 |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Cummins Inc. |
| 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 4320-01-478-3892 is a Piston,pump, manufactured by Cummins Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-478-3892 has 2 manufacturer part numbers on file: 217934 (Cadillac Gage Textron Inc.), 3056530 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-665-4945. 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.