1-321-802-5889

NSN 4820-01-301-8011

Air Regulator Valve

About this product

Steel, corrosion resisting body material, straight thru body style, oxygen, liquid media for which designed, first end connection type: threaded internal tube.

Manufacturer part number 1551AS139-1 for national stock number 4820013018011.

Datasheet

  • Product description

    Fluid Pressure Regulating Valve NSN 4820-01-301-8011.

  • MPN or Model

    1551AS139-1

  • Schedule B
    8481.80.9015 (Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level)
  • NMF (National Motor Freight)
    127200 - Pressure Redcng Water Relief Valve
  • Unit Weight (Est.)
    5.1 lb
  • Body Material
    Steel, corrosion resisting
  • Body Style
    Straight thru
  • Media For Which Designed
    Oxygen, liquid
  • First End Connection Type
    Threaded internal tube
  • First End Style Designator
    Flare
  • First End Outside Diameter Tube Accommodated
    0.375 inches
  • First End Thread Size And Series/type Designator
    0.562-18 unf
  • First End Thread Class
    3b
  • First End Thread Direction
    Right-hand
  • Second End Relationship With First End
    Identical
  • Seat Material
    Plastic, polychlorotrifluoroethylene
  • First End Seat Angle In Deg
    45.0
  • Flow Control Device
    Disk
  • End Connection Quantity
    2
  • Outlet Pressure Range
    +200.0/+10000.0 pounds per square inch
  • Regulation Type
    Manual single stage
  • Manual Control Method
    Knob
  • Valve Loading Method
    Spring
  • Maximum Inlet Pressure Rating
    7000.0 pounds per square inch
  • Filter
    Not included
  • Reference Number Differentiating Characteristics
    Cleaning shall be in accordance with mil-c-52211 for oxygen service
More from these suppliers
Fluid Pressure Regulating Valve

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Mechanic Bill explains Air Regulator Valve

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NSN 4820013018011

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1551AS139-1 Naval Air Systems Command
26-1721-44-054 Tescom Corp
1551AS139 Naval Air Systems Command
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