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NSN 4820-00-301-0256

Restrictor Valve

About this product

Poppet flow control device, spring disk loading method, flared (tube) 1st end connection style, valve operation method: automatic.

Manufacturer part number 2700122 for national stock number 4820003010256.

Datasheet

  • Product description

    Restrictor Check Valve NSN 4820-00-301-0256.

  • MPN or Model

    2700122

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    135.0 degrees fahrenheit 2nd response
  • Connection Style
    Flared (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Mounting Position
    Horizontal or vertical
  • Maximum Operating Pressure
    60.0 pounds per square inch single response
  • Thread Size
    0.562 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Outside Diameter Tube Accommodated
    1.000 inches 2nd end
  • Material
    Plastic polyamide flow control device
  • Material Specification
    Qq-a-200/4, comp 5083, temper h111 federal specification single material response body
  • Media For Which Designed
    Fuel/oil, hydrocarbon single response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 2 military specification single treatment response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unf 1st end
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Restrictor Check Valve

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

Mechanic Bill explains Restrictor Valve

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NSN 4820003010256

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2700122 Parker Hannifin Corporation
2700172 Parker Hannifin Corporation
749986-103 Lockheed Martin Corporation
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