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NSN 4820-00-922-8425

Stop-check Valve Cartridge

About this product

0.250 inches 1st end pipe size accommodated, disk flow control device, inside screw bonnet type, bonnet attachment method: union.

Manufacturer part number SS845-1889587ASSYE for national stock number 4820009228425.

Datasheet

  • Product description

    Stop-check Valve NSN 4820-00-922-8425.

  • MPN or Model

    SS845-1889587ASSYE

  • Schedule B
    8481.30.1090 (Check valves of copper having a pressure rating of 850 kpa or over)
  • Unit Weight (Est.)
    2 lb
  • Pipe Size Accommodated
    0.250 inches 1st end
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Union
  • Renewable Seat Ring Type
    Threaded
  • Maximum Operating Temp
    150.0 degrees fahrenheit single response
  • Connection Style
    Socket with brazing ring (pipe) 1st end
  • Valve Operation Method
    Manual
  • Connection Type
    Unthreaded internal pipe 1st end
  • Mounting Position
    Horizontal
  • Features Provided
    Bonnet packing
  • Maximum Operating Pressure
    700.0 pounds per square inch single response
  • Criticality Code Justification
    Zzzy
  • Material
    Nickel alloy 400 stem or nickel alloy r-405 stem
  • Media For Which Designed
    Water-oil-gas single response
  • Style Designator
    Straight thru
  • Reference Number Differentiating Characteristics
    Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items
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 4820009228425

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SS845-1889587ASSYE Naval Ship Systems Command
SS845-1889587ASSYEL1 Naval Inventory Control Point
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