3020-00-340-7179 GEAR,SPUR Index 4820-00-340-7181 ORIFICE,VALVE

National Stock Number:
4820-00-340-7180

Federal Supply Class:
4820

National Item Identification Number:
003407180

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
7721099-1013H889PARKER-HANNIFIN CORPORATION
7721099-10192003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION STYLEFLARED (TUBE) FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY SEAT
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END
NOMINAL THREAD SIZE0.562 INCHES FIRST END
SEAT ANGLE37.0 DEGREES FIRST END
SPECIAL FEATURESWITH 4 HOLES 0.046 IN. DIA FOR LOCKWIRE
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD QUANTITY PER INCH18 FIRST END
THREAD SERIES DESIGNATORUNF FIRST END
VALVE OPERATION METHODAUTOMATIC


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