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NSN 4820-01-514-0889

Counterbalance Valve

About this product

Standard screw adjustment; 1000-4000 psi w/ 25 psi check functional setting range; buna-n seal; altered item dwg by machining no.4 o-ring port to intersect w/ port no.2..

Manufacturer part number 7457365-1 for national stock number 4820015140889.

Datasheet

  • Product description

    Boom Hoist Cylinder Hold Valve NSN 4820-01-514-0889.

  • MPN or Model

    7457365-1

  • Schedule B
    8481.80.9050 (Other taps, cocks, valves, etc., nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.9 lb
  • Valve Discharge Flow Rate
    60.0 gallons per minute
  • Valve Operation Method
    Pilot
  • Opening Pressure Setting
    25.0 pounds per square inch
  • Part Name Assigned By Controlling Agency
    3: 1 pilot ratio standard counterbalance valve
  • Pilot Ratio
    3 to 1
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Boom Hoist Cylinder Hold Valve

A multi port valve, or cartridge, used as part of a hydraulic systems to lock and/or control the load movement of a hoist boom. it may be pilot operated.

Mechanic Bill explains Counterbalance Valve

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NSN 4820015140889

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
7457365-1 Naval Sea Systems Command
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