NSN 4820-00-557-9964
Lift-check Valve
Zzzy criticality code justification, selected and tested for nuclear propulsion plant systems reference number differentiating characteristics, .
Manufacturer part number 820-4530011-4REVC for national stock number 4820005579964.
Datasheet
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Product description
Lift-check Valve NSN 4820-00-557-9964.
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MPN or Model
820-4530011-4REVC
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NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Criticality Code Justification
Zzzy -
Reference Number Differentiating Characteristics
Selected and tested for nuclear propulsion plant systems
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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](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-00-557-9964 lift-check valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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820-4530011-4REVC | Naval Ship Systems Command |
Stock Check
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