NSN 4820-01-420-4121

Part Details | STOP-CHECK VALVE

4820-01-420-4121 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.

Alternate Parts: 526530 DN350 SST, FK30.70(2)GB 526530 DN350 SST, 4820-01-420-4121, 01-420-4121, 4820014204121, 014204121

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 16, 199501-420-412105486 ( VALVE, STOP-CHECK )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

Cross Reference | NSN 4820-01-420-4121
Part Number Cage Code Manufacturer
526530 DN350 SSTS5786NAF AB
FK30.70(2)GB 526530 DN350 SSTS5786NAF AB
Technical Data | NSN 4820-01-420-4121
Characteristic Specifications
STYLE DESIGNATOR STRAIGHT THRU
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
MOUNTING POSITION HORIZONTAL
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD INTEGRAL
SPECIAL FEATURESAUXILIARY SPRING
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS