PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

857950 ITEM 4Piston,valve

Parker-Hannifin Corporation Div Hydraulic Accumulator Division · NSN 4810-01-450-7726 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-450-7726 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-450-7726. Primary manufacturer part number: 857950 ITEM 4.
Features
  • Piston,valve — FSC 4810
  • 3 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Div Hydraulic Accumulator Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4810-01-450-7726, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-450-7726
Primary Part Number857950 ITEM 4
Item NamePiston,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Div Hydraulic Accumulator Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-599-596601590 INTERCHANGEABLE
Gasket
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
857950 ITEM 4 PRIMARY Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA)
409417 PRIMARY Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA)
409417 Airline Hydraulics Corp Dba Airline Hydraulics Corp (USA)
Related Parts
5330-00-599-5966INTERCHANGEABLE
GASKET
01590

Frequently Asked Questions

What is NSN 4810-01-450-7726?

NSN 4810-01-450-7726 is a Piston,valve, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-450-7726?

NSN 4810-01-450-7726 has 3 cross-referenced part numbers: 857950 ITEM 4 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 409417 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 409417 (Airline Hydraulics Corp Dba Airline Hydraulics Corp).

What NSN replaces 4810-01-450-7726?

There is 1 known substitute for 4810-01-450-7726: 5330-00-599-5966. Verify interchangeability with system specifications before substitution.

What are the specifications of 857950 ITEM 4?

Key specifications for 857950 ITEM 4: End Item Identification: RESERVOIR OIL, HYDRAULIC 3000 PSI CR. 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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