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NSN 4820-01-301-7976

Stop-check Valve Cartridge

About this product

Disk flow control device, outside screw-yoke bonnet type, bolted bonnet attachment method, connection style: gasket seal (boss) all ends.

Manufacturer part number 1551AS244-1 for national stock number 4820013017976.

Datasheet

  • Product description

    Stop-check Valve NSN 4820-01-301-7976.

  • MPN or Model

    1551AS244-1

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    127200 - Pressure Redcng Water Relief Valve
  • Unit Weight (Est.)
    4.4 lb
  • Thread Class
    2b all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Maximum Operating Temp
    150.0 degrees fahrenheit single response
  • Connection Style
    Gasket seal (boss) all ends
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded internal boss all ends
  • Mounting Position
    Horizontal or vertical
  • Maximum Operating Pressure
    5000.0 pounds per square inch single response
  • Thread Size
    0.562 inches all ends
  • Material
    Steel comp 316 body
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unf all ends
  • Reference Number Differentiating Characteristics
    Cleaning shall be in accordance with mil-c-52211 (for oxygen service)
More from these suppliers
Stop-check Valve

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Mechanic Bill explains Stop-check Valve Cartridge

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NSN 4820013017976

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1551AS244-1 Naval Air Systems Command
SS-445-FP-D-W1 Swagelok Company
1551AS244-1CP Naval Inventory Control Point
SS-445-FP-D-W1CP Naval Inventory Control Point
SS-445-FP-D-W1 Sno-trik Co
SS-445-FP-D-W1 Cajon Co
1551AS244 Naval Air Systems Command
SS-445-FP-D-W1 Swagelok Company
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