4810-00-878-0158 POPPET AND STEM,VALVE Index 4820-00-878-0161 STEM,FLUID VALVE

National Stock Number:
4810-00-878-0159

Federal Supply Class:
4810

National Item Identification Number:
008780159

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:
2S5163PT5852406RUGGLES-KLINGEMANN MFG CO DBA THE RUGGLES-KLINGEMANN COMPANY


Techincal Specification:
BODY INSIDE DIAMETER1.625 INCHES MINIMUM AND 1.626 INCHES MAXIMUM
FLANGE DIAMETER2.562 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.250 INCHES NOMINAL
MATERIALCOBALT ALLOY FACE
MATERIALSTEEL BODY
NOMINAL THREAD SIZE1.375 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG0.750 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.500 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.750 INCHES NOMINAL


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