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NSN 4820-00-626-2590

Restrictor Valve

About this product

Poppet flow control device, spring disk loading method, flareless 1st end connection style, valve operation method: automatic.

Manufacturer part number 1R0447 for national stock number 4820006262590.

Datasheet

  • Product description

    Restrictor Check Valve NSN 4820-00-626-2590.

  • MPN or Model

    1R0447

  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    200.0 degrees fahrenheit single response
  • Connection Style
    Flareless 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 2nd end
  • Mounting Position
    Horizontal or vertical
  • Thready Qty Per Inch (tpi)
    20 1st end
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.562 inches 2nd end
  • Seat Angle
    37.0 degrees 2nd end
  • Outside Diameter Tube Accommodated
    0.375 inches 2nd end
  • Material
    Stainless steel flow control device and steel comp 303 flow control device and steel comp 304 flow control device
  • Material Specification
    Fed-std-66, aisi 302/sae 30302 federal standard 1st material response flow control device and fed-std-66, aisi 303/sae 30303 federal standard 2nd material response flow control device and fed-std-66, aisi 304/sae 30304 federal standard 3rd material response flow control device
  • Media For Which Designed
    Hydraulic fluid, phosphate-ester base single response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unf 2nd end
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 4820006262590

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1R0447 Saf Industries Llc
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