NSN 4820-00-187-6698

Part Details | STOP-CHECK VALVE

4820-00-187-6698 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: 4578FNPP, 4820-00-187-6698, 00-187-6698, 4820001876698, 001876698

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 16, 197300-187-669805486 ( VALVE, STOP-CHECK )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU W/OFFSET

Cross Reference | NSN 4820-00-187-6698
Part Number Cage Code Manufacturer
4578FNPP04537ATWOOD & MORRILL CO. INC.DBA WEIR VALVES AND CONTROLS USA
Technical Data | NSN 4820-00-187-6698
Characteristic Specifications
STYLE DESIGNATORA STRAIGHT THRU W/OFFSET
OFFSET DISTANCE2.250 INCHES
VALVE SIZE1.500 INCHES
FACE TO FACE DISTANCE12.000 INCHES
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD MANUAL
MOUNTING POSITION HORIZONTAL
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD BOLTED
FEATURES PROVIDED BONNET PACKING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY