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NSN 4820-00-061-6637

Lift-check Valve

About this product

Disk flow control device, inside spring bonnet type, threaded bonnet attachment method, valve operation method: automatic.

Manufacturer part number SS845-1889538 ASSY 8B for national stock number 4820000616637.

Datasheet

  • Product description

    Lift-check Valve NSN 4820-00-061-6637.

  • MPN or Model

    SS845-1889538 ASSY 8B

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    13.9 lb
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Threaded
  • Valve Operation Method
    Automatic
  • Connection Type
    Flange 1st end
  • Valve Size
    2.000 inches
  • Criticality Code Justification
    Zzzy
  • Style Designator
    Straight through flanged ends
  • Reference Number Differentiating Characteristics
    Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items
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Lift-check Valve

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first 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. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

Mechanic Bill explains Lift-check Valve

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NSN 4820000616637

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SS845-1889538 ASSY 8B Naval Ship Systems Command
2620-911 ASSY 8B Admiral Valve, Llc
2620-911 ASSY 8B Electric Boat Corporation
2620-911 ASSY 8BL1 Naval Inventory Control Point
SS845-1889538 ASSY 8BL1 Naval Inventory Control Point
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