4730-00-204-1954 CLAMP,REPAIR,PIPE Index 5110-00-204-1956 FILE,HAND

National Stock Number:
4820-00-204-1955

Federal Supply Class:
4820

National Item Identification Number:
002041955

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:
1-1254-1-292003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
668101-198897LOCKHEED MARTIN CORP
668101-498897LOCKHEED MARTIN CORP


Techincal Specification:
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SCREW
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY SEAT
MATERIALSTEEL FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
MOUNTING FACILITYTHREADED FASTENER
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SUPPLEMENTARY FEATURESOPTIONAL FLOW CONTROL DEVICE: STEM
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
VALVE OPERATION METHODMANUAL


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