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NSN 4820-00-121-6870

Stop-check Valve Cartridge

About this product

0.750 inches 1st end pipe size accommodated, disk flow control device, outside screw-yoke bonnet type, bonnet attachment method: bolted.

Manufacturer part number B31643D for national stock number 4820001216870.

Datasheet

  • Product description

    Stop-check Valve NSN 4820-00-121-6870.

  • MPN or Model

    B31643D

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    28 lb
  • Pipe Size Accommodated
    0.750 inches 1st end
  • Flow Control Device
    Disk
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Renewable Seat Ring Type
    Threaded
  • Maximum Operating Temp
    775.0 degrees fahrenheit single response
  • Connection Style
    Socket (pipe) 1st end
  • Valve Operation Method
    Manual
  • Connection Type
    Unthreaded internal pipe 1st end
  • Mounting Position
    Horizontal or vertical
  • Features Provided
    Valve stem lock shield and bonnet packing
  • Maximum Operating Pressure
    1500.0 pounds per square inch single response
  • Criticality Code Justification
    Zzzy
  • Material
    Stainless steel stem
  • Media For Which Designed
    Steam single response
  • Style Designator
    Straight thru
  • Reference Number Differentiating Characteristics
    Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 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 4820001216870

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B31643D Flowserve Inc
C522-1-B2 Hunt Valve Company, Inc.
5807-14L1 Naval Inventory Control Point
B522-1-B1 Hunt Valve Company, Inc.
B31643DL1 Naval Inventory Control Point
B522-1-B1L1 Naval Inventory Control Point
C522-1-B2L1 Naval Inventory Control Point
S807-14 Sfc Valve Corp
S807-14 Sfc Valve Corporation
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