4820-01-057-7251 VALVE,SAFETY RELIEF Index 4820-01-057-7253 VALVE,BALL

National Stock Number:
4820-01-057-7252

Federal Supply Class:
4820

National Item Identification Number:
010577252

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:
007531403K1367MINISTRY OF DEFENCE NAVY SHIP SUPPORT AGENCY NAVAL TECHNICAL PUBLICATION AUTHORITY
007531408K1367MINISTRY OF DEFENCE NAVY SHIP SUPPORT AGENCY NAVAL TECHNICAL PUBLICATION AUTHORITY
007531408 ITEM 31K1367MINISTRY OF DEFENCE NAVY SHIP SUPPORT AGENCY NAVAL TECHNICAL PUBLICATION AUTHORITY
6667T1139428MCMASTER-CARR SUPPLY CO
MSV-190526CLIPPARD INSTRUMENT LABORATORY INC
P001537 IT 134712LAKE SHORE SYSTEMS, INC.
SB340 MOD3 D08U6784S B SERVICES PNEUMATICS LTD
SB340 MOD3 D13U6784S B SERVICES PNEUMATICS LTD
SB340 MOD3 D13 ITEM 31U6784S B SERVICES PNEUMATICS LTD


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 3RD END
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 3RD END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 2ND END
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY OVERALL
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP230.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL THREAD SIZE0.190 INCHES 3RD END
NOMINAL THREAD SIZE0.190 INCHES 1ST END
NOMINAL THREAD SIZE0.190 INCHES 2ND END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORCROSS
THREAD CLASS2A 3RD END
THREAD CLASS2B 1ST END
THREAD CLASS2B 2ND END
THREAD DIRECTIONRIGHT-HAND 3RD END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNF 2ND END
THREAD SERIES DESIGNATORUNF 3RD END


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