The Piston,pump, cataloged under National Stock Number 4320-01-686-4372, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Danfoss Power Solutions II, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Piston,pump |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Danfoss Power Solutions II, Llc (CAGE 45X75) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-686-4372 |
| Primary Part Number | 622AK00534B |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Danfoss Power Solutions II, Llc |
| 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 |
|---|---|
| 4471860 | Oshkosh Defense Llc (USA) |
| 622AK00534B PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4600366 | D/9 Drawing number reference only Oshkosh Defense Llc |
NSN 4320-01-686-4372 is a Piston,pump, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-686-4372 has 2 manufacturer part numbers on file: 4471860 (Oshkosh Defense Llc), 622AK00534B (Danfoss Power Solutions II, Llc).
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.