3040-01-198-0684 SHAFT,STRAIGHT Index 5340-01-198-0686 PLATE,RETAINING,WINDOW

National Stock Number:
4810-01-198-0685

Federal Supply Class:
4810

National Item Identification Number:
011980685

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.


Manufacturer Information:
22946779318MEGGITT NORTH HOLLYWOOD INC


Techincal Specification:
FLANGE SEAT TO DISK END HEIGHT0.152 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.438 INCHES FIRST THREADED PORTION
NOMINAL THREAD SIZE0.164 INCHES SECOND THREADED PORTION
OVERALL HEIGHT1.237 INCHES NOMINAL
SEATING SURFACE SHAPEFLAT
THREAD CLASS3A FIRST THREADED PORTION
THREAD CLASS3B SECOND THREADED PORTION
THREAD LENGTH0.406 INCHES NOMINAL SECOND THREADED PORTION
THREAD LENGTH0.250 INCHES NOMINAL FIRST THREADED PORTION
THREAD SERIES DESIGNATORUNC SECOND THREADED PORTION
THREAD SERIES DESIGNATORUNF FIRST THREADED PORTION
UNDER FLANGE HEIGHT0.549 INCHES NOMINAL


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