4820-00-061-6619 PARTS KIT,BALL VALVE Index 5305-00-061-6639 SCREW,MACHINE

National Stock Number:
4820-00-061-6637

Federal Supply Class:
4820

National Item Identification Number:
000616637

Description:
VALVE,LIFT-CHECK

Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST 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. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.


Manufacturer Information:
2620-911 ASSY 8B96169ELECTRIC BOAT CORPORATION
2620-911 ASSY 8B99565ADMIRAL VALVE LLC
2620-911 ASSY 8BL103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-1889538 ASSY 8B80064NAVAL SHIP SYSTEMS COMMAND
SS845-1889538 ASSY 8BL103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE 1ST END
CRITICALITY CODE JUSTIFICATIONZZZY
FLOW CONTROL DEVICEDISK
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES


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