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NSN 4820-01-026-8139

Lift-check Valve

About this product

Zzzy criticality code justification, quality control in accordance with navships 0948-045-7010 material identification and control instructions for level 1 items reference number differentiating characteristics, .

Manufacturer part number 803-2177934-556 for national stock number 4820010268139.

Datasheet

  • Product description

    Lift-check Valve NSN 4820-01-026-8139.

  • MPN or Model

    803-2177934-556

  • Unit Weight (Est.)
    4.4 lb
  • Criticality Code Justification
    Zzzy
  • Reference Number Differentiating Characteristics
    Quality control in accordance with navships 0948-045-7010 material identification and control instructions for level 1 items
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 4820010268139

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-2177934-556 Naval Ship Systems Command
803-2177934-556L1 Naval Inventory Control Point
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