The Pump,radial Pistons, cataloged under National Stock Number 4320-01-172-9122, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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.
| Parameter | Value |
|---|---|
| NSN | 4320-01-172-9122 |
| Primary Part Number | 571025 |
| Item Name | Pump,radial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Pumping Element Type | PISTON |
| Pumping Element Operating Position | HORIZONTAL |
| Reciprocating Stroke Type | VARIABLE |
| Pump Reciprocating Design | SINGLE ACTING |
| Control Location | CENTER |
| Volume Control Type | HYDRAULIC CYLINDER |
| Cylinder Quantity | 3 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 571025 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4320-01-172-9122 is a Pump,radial Pistons, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-172-9122 has 1 manufacturer part number on file: 571025 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 4220-01-470-1075. Verify interchangeability with system specifications before substitution.
Key specifications for 571025: Pumping Element Type: PISTON; Pumping Element Operating Position: HORIZONTAL; Reciprocating Stroke Type: VARIABLE; Pump Reciprocating Design: SINGLE ACTING. 8 specifications are documented in the U.S. Government catalog.
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.