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) |
---|---|---|---|
48 | MAR 16, 1973 | 00-187-6698 | 05486 ( VALVE, STOP-CHECK ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU W/OFFSET

Cross Reference | NSN 4820-00-187-6698
Part Number | Cage Code | Manufacturer |
---|---|---|
4578FNPP | 04537 | ATWOOD & MORRILL CO. INC.DBA WEIR VALVES AND CONTROLS USA |
Technical Data | NSN 4820-00-187-6698
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | A STRAIGHT THRU W/OFFSET |
OFFSET DISTANCE | 2.250 INCHES |
VALVE SIZE | 1.500 INCHES |
FACE TO FACE DISTANCE | 12.000 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 CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
CRITICALITY CODE JUSTIFICATION | ZZZY |