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Worldwide distributor of NSN parts and consumables located in the USA.

Stop-check Valve

Model / MPN: 18790-1 | NSN: 4820-00-932-9813
ITAR Registered seal

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.

Product Details
NATO Stock Number
4820-00-932-9813
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Mounting Position
Vertical
Thready Qty Per Inch (tpi)
20 1st end
Thread Size
0.437 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Style Designator
Straight thru

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18790-1 Cross Reference
  • S6130-80413-2