3120-01-216-5265 BEARING,WASHER,THRUST Index 4820-01-216-5267 VALVE,CHECK

National Stock Number:
4820-01-216-5266

Federal Supply Class:
4820

National Item Identification Number:
012165266

Description:
VALVE,STOP-CHECK

Detail:
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.


Manufacturer Information:
803-138554180064NAVAL SHIP SYSTEMS COMMAND
803-1385541-05380064NAVAL SHIP SYSTEMS COMMAND
803-1385541-053AF80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288,COMP E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-N-288,COMP E FED SPEC SINGLE MATERIAL RESPONSE SEAT
ASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE5.000 INCHES
FACE TO FACE DISTANCE14.250 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER9.062 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY10 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER7.812 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING POSITIONHORIZONTAL
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED


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