4820-01-135-2921 VALVE,BALL Index 4820-01-135-2923 VALVE,CHECK

National Stock Number:
4820-01-135-2922

Federal Supply Class:
4820

National Item Identification Number:
011352922

Description:
VALVE,SHUTTLE

Detail:
A VALVE HAVING ONE OUTLET AND TWO INLETS THAT ARE USUALLY OPPOSITE EACH OTHER. IT HAS A FLUID PRESSURE OPERATED PISTONLIKE ITEM, CALLED A SHUTTLE, THAT CONTROLS EITHER INLET. IT IS COMMONLY USED TO PROVIDE AN EMERGENCY PASSAGE FOR FLUID IN AN AIRCRAFT HYDRAULIC OR PNEUMATIC SYSTEM IN CASE OF LOSS OF PRESSURE IN THE NORMAL SERVICE LINES.


Manufacturer Information:
WM8011331WILLIAMS CONTROLS INC


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
STYLE DESIGNATORCROSS
FLOW CONTROL DEVICEPISTON
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING FACILITYTHREADED FASTENER


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