PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23121Piston,hydraulic Motor-Pump

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-01-417-5831 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-417-5831 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-417-5831. Primary manufacturer part number: 23121.
Features
  • Piston,hydraulic Motor-Pump — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Piston,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-417-5831, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-417-5831
Primary Part Number23121
Item NamePiston,hydraulic Motor-Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2930-00-379-009423121 INTERCHANGEABLE
Pump,cooling System,engine
Industrial Technologies and Services Llc
5935-00-683-5095DA20961 INTERCHANGEABLE
Backshell,electrical Connector
Itt Cannon Llc
3040-00-876-076523121 INTERCHANGEABLE
Gearshaft,spur
Hydro-Aire Aerospace Corp
1650-00-922-877523121 INTERCHANGEABLE
Piston and Seat Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
4330-01-028-3396600377C INTERCHANGEABLE
Filter Element,fluid
Admiral Filter Company Llc
5962-01-136-7071HI-1-1818A-2 INTERCHANGEABLE
Microcircuit,digital-Linear
Renesas Electronics America Inc
3120-01-469-038023121 INTERCHANGEABLE
Bushing,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
23121 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
2930-00-379-0094INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
23121
5935-00-683-5095INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
DA20961
3040-00-876-0765INTERCHANGEABLE
GEARSHAFT,SPUR
23121
1650-00-922-8775INTERCHANGEABLE
PISTON AND SEAT ASSEMBLY
23121
4330-01-028-3396INTERCHANGEABLE
FILTER ELEMENT,FLUID
600377C
5962-01-136-7071INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
HI-1-1818A-2
3120-01-469-0380INTERCHANGEABLE
BUSHING,SLEEVE
23121

Frequently Asked Questions

What is NSN 4320-01-417-5831?

NSN 4320-01-417-5831 is a Piston,hydraulic Motor-Pump, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-417-5831?

NSN 4320-01-417-5831 has 1 cross-referenced part number: 23121 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-01-417-5831?

There are 7 known substitutes for 4320-01-417-5831: 2930-00-379-0094, 5935-00-683-5095, 3040-00-876-0765 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23121?

Key specifications for 23121: End Item Identification: C-17A AIRCRAFT;AIR FORCE WEAPON SYSTEM DT AIRCRAFT AIRLIFTER A. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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