The Cylinder Block,hydraulic Motor-P, cataloged under National Stock Number 4320-01-355-0565, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-355-0565 |
| Primary Part Number | 2GK310 |
| Item Name | Cylinder Block,hydraulic Motor-P |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| General Characteristics Item Description | W/TWELVE CYLINDER OPENINGS. |
| 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 |
|---|---|
| 23047-000 | Eaton Corp Hydraulics Div (USA) |
| 2GK310 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 21598 | 5/9 Secondary reference Eaton Corp Hydraulics Div |
| 2GK310 | 5/9 Secondary reference Oshkosh Corp |
| 21598 | 5/9 Secondary reference DP Mfg Inc |
NSN 4320-01-355-0565 is a Cylinder Block,hydraulic Motor-P, manufactured by Oshkosh Defense Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-355-0565 has 2 manufacturer part numbers on file: 23047-000 (Eaton Corp Hydraulics Div), 2GK310 (Oshkosh Defense Llc).
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-381-2694, 5331-01-394-7927, 5340-01-430-2030. Verify interchangeability with system specifications before substitution.
Key specifications for 2GK310: General Characteristics Item Description: W/TWELVE CYLINDER OPENINGS.; End Item Identification: 2320-01-318-9902.. 1 specification is 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.