4820-00-987-7971 BALL,VALVE,PORTED Index 4820-00-987-7973 BALL,VALVE,PORTED

National Stock Number:
4820-00-987-7972

Federal Supply Class:
4820

National Item Identification Number:
009877972

Description:
BALL,VALVE,PORTED

Detail:
A SPHERICAL SHAPED DEVICE WITH TWO OR MORE PORTS USED TO PREVENT OR REGULATE THE FLOW OF FLUIDS IN A VALVE, NOZZLE, OR THE LIKE. IT MAY INCLUDE AN INTEGRAL VALVE STEM. FOR VALVE BALLS THAT DO NOT INCLUDE PORTS SEE BALL, CHECK. EXCLUDES PLUG, ROTARY, VALVE.


Manufacturer Information:
2640-150-196169ELECTRIC BOAT CORPORATION
SS845-2007651PC180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 304
PORT CONFIGURATIONSTRAIGHT
PORT DIAMETER0.385 INCHES NOMINAL
PORT QUANTITY2
SPHERICAL DIAMETER0.873 INCHES MAXIMUM
STEM ACCOMMODATION QUANTITY1


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