PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23644Piston,valve

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 2915-01-594-5840 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-01-594-5840 — this item is cataloged by the U.S. Government under National Stock Number 2915-01-594-5840. Primary manufacturer part number: 23644.
Features
  • Piston,valve — FSC 2915
  • Valve Design Control Activity: 93835
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Piston,valve, cataloged under National Stock Number 2915-01-594-5840, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2915-01-594-5840
Primary Part Number23644
Item NamePiston,valve
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Valve Design Control Activity93835
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-078-8437 INTERCHANGEABLE
Coil,radio Frequency
2530-00-521-49784B9000 INTERCHANGEABLE
Piston,hydraulic Brake
Caterpillar Inc Div Caterpillar Defense
5330-01-101-8061C11884 INTERCHANGEABLE
Seal,plain Encased
Deere & Co
4720-01-545-523323644 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
23644 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5950-00-078-8437INTERCHANGEABLE
COIL,RADIO FREQUENCY
2530-00-521-4978INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE
4B9000
5330-01-101-8061INTERCHANGEABLE
SEAL,PLAIN ENCASED
C11884
4720-01-545-5233INTERCHANGEABLE
HOSE,NONMETALLIC
23644

Frequently Asked Questions

What is NSN 2915-01-594-5840?

NSN 2915-01-594-5840 is a Piston,valve, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-01-594-5840?

NSN 2915-01-594-5840 has 1 cross-referenced part number: 23644 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 2915-01-594-5840?

There are 4 known substitutes for 2915-01-594-5840: 5950-00-078-8437, 2530-00-521-4978, 5330-01-101-8061 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23644?

Key specifications for 23644: Valve Design Control Activity: 93835; Material: STEEL; Overall Length: 4.94 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: HANGER AND PISTON SUBASSEMBLY. 4 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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