PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

491-3Valve,solenoid

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · NSN 4810-00-022-6571 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-022-6571 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-022-6571. Primary manufacturer part number: 491-3.
Features
  • Valve,solenoid — FSC 4810
  • Phase: SINGLE
  • Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
  • Valve Operation Method: SOLENOID
  • Style Designator: STRAIGHT THRU W/OFFSET
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
  • Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE
  • Material: ALUMINUM ALLOY BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,solenoid, cataloged under National Stock Number 4810-00-022-6571, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-022-6571
Primary Part Number491-3
Item NameValve,solenoid
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
StatusACTIVE
PhaseSINGLE
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Valve Operation MethodSOLENOID
Style DesignatorSTRAIGHT THRU W/OFFSET
Nominal Thread Size0.375 INCHES ALL ENDS IN
Media for Which DesignedOIL, HYDRAULIC SINGLE RESPONSE
MaterialALUMINUM ALLOY BODY
Frequency in Hertz60.0
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Current Rating in Amps0.500
Thread Series DesignatorNPT ALL ENDS
Inlet/outlet Operating Pressure Differential5.0 POUNDS PER SQUARE INCH NOMINAL LBS
Voltage in Volts and Current Type110.0 AC
Flow Control DevicePOPPET
Thread DirectionRIGHT-HAND ALL ENDS
Offset Distance0.688 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-063-1063 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5905-00-242-92444913 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5360-00-391-41497347246 INTERCHANGEABLE
Spring,helical,torsion
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-391-8993 INTERCHANGEABLE
Gasket Assortment
4720-00-792-15724913 INTERCHANGEABLE
Hose,air Duct
Flexco, Inc
5315-00-811-16074913 INTERCHANGEABLE
Pin,straight,headless
Aerocontrolex Group, Inc. Div Talley Actuators
5945-01-017-71994511PC3 INTERCHANGEABLE
Plunger,solenoid
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5120-01-087-2819GS16168-1 INTERCHANGEABLE
Alignment Tool,blade
Hamilton Sundstrand Corporation Dba Collins Aerospace
2840-01-098-26394913 INTERCHANGEABLE
Shaft,turbine,aircraft Gas Turbi
Northrop Grumman Systems Corporation Div Marine Systems
5342-01-303-84214913 INTERCHANGEABLE
Coupling,special
Carlisle & Finch Co
Cross-Reference Index
Part NumberManufacturer
491-3 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (USA)
491-3 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
Related Parts
5935-00-063-1063INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5905-00-242-9244INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
4913
5360-00-391-4149INTERCHANGEABLE
SPRING,HELICAL,TORSION
7347246
5330-00-391-8993INTERCHANGEABLE
GASKET ASSORTMENT
4720-00-792-1572INTERCHANGEABLE
HOSE,AIR DUCT
4913
5315-00-811-1607INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4913
5945-01-017-7199INTERCHANGEABLE
PLUNGER,SOLENOID
4511PC3
5120-01-087-2819INTERCHANGEABLE
ALIGNMENT TOOL,BLADE
GS16168-1
2840-01-098-2639INTERCHANGEABLE
SHAFT,TURBINE,AIRCRAFT GAS TURBI
4913
5342-01-303-8421INTERCHANGEABLE
COUPLING,SPECIAL
4913
5998-01-425-0888INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3174AS2221
6685-01-439-4247INTERCHANGEABLE
THERMOMETER,SELF-INDICATING

Frequently Asked Questions

What is NSN 4810-00-022-6571?

NSN 4810-00-022-6571 is a Valve,solenoid, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-022-6571?

NSN 4810-00-022-6571 has 2 cross-referenced part numbers: 491-3 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division), 491-3 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).

What NSN replaces 4810-00-022-6571?

There are 12 known substitutes for 4810-00-022-6571: 5935-00-063-1063, 5905-00-242-9244, 5360-00-391-4149 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 491-3?

Key specifications for 491-3: Phase: SINGLE; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Valve Operation Method: SOLENOID; Style Designator: STRAIGHT THRU W/OFFSET. 16 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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