The Cylinder Block,hydraulic Motor-P, cataloged under National Stock Number 4320-01-357-6594, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-357-6594 |
| Primary Part Number | 386021 |
| Item Name | Cylinder Block,hydraulic Motor-P |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| 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 |
|---|---|
| 386021 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 517820 PIECE 17 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 517820 | D/9 Drawing number reference only Eaton Aerospace, Llc Dba Jackson South |
NSN 4320-01-357-6594 is a Cylinder Block,hydraulic Motor-P, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-357-6594 has 2 manufacturer part numbers on file: 386021 (Eaton Aerospace, Llc Dba Jackson South), 517820 PIECE 17 (Eaton Aerospace, Llc Dba Jackson South).
5 possible matches (shared part number, not a government interchangeability claim): 4320-01-357-6595, 4320-01-357-6596, 4320-01-357-9849. Verify interchangeability with system specifications before substitution.
Key specifications for 386021: End Item Identification: AXIAL PISTON PUMP,VICKERS CORP,MODEL PV3-240-14. 0 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.