NSN 4820-00-208-1720
Stop-check Valve Cartridge
Zzzy criticality code justification, selected and tested for nuclear propulsion plant systems reference number differentiating characteristics, .
Manufacturer part number 820-2178500-19REVS for national stock number 4820002081720.
Datasheet
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Product description
Stop-check Valve NSN 4820-00-208-1720.
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MPN or Model
820-2178500-19REVS
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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 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.
Pricing and Availability
Get a quote for 4820-00-208-1720 stop-check valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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820-2178500-19REVS | Naval Ship Systems Command |