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NSN 4820-00-627-8440

Restrictor Valve

About this product

Contains filter.

Manufacturer part number 1R3441-2 for national stock number 4820006278440.

Datasheet

  • Product description

    Restrictor Check Valve NSN 4820-00-627-8440.

  • MPN or Model

    1R3441-2

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    000000 - No Nmfc Freight Description
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    275.0 degrees fahrenheit single response
  • Connection Style
    Flareless all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Mounting Position
    Horizontal or vertical
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.437 inches all ends
  • Seat Angle
    12.0 degrees all ends
  • Material
    Rubber synthetic packing
  • Material Specification
    Mil-c-5510 military specification single material response packing
  • Media For Which Designed
    Hydraulic fluid, phosphate-ester base single response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 2 military specification single treatment response
  • Style Designator
    Straight thru
  • Test Data Document
    91207-cva648-15-77 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • Thread Series Designator
    Unf all ends
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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 4820006278440

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1R3441-2 Saf Industries Llc
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