4820-00-255-5803 DISK,VALVE Index 4820-00-255-5805 STEM,FLUID VALVE

National Stock Number:
4820-00-255-5804

Federal Supply Class:
4820

National Item Identification Number:
002555804

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:
M11608IM6K2980SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD
M11608ITEM6K2980SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD


Techincal Specification:
BODY STEPPED INSIDE DIAMETER2.000 INCHES NOMINAL FIRST STEP
BODY STEPPED INSIDE DIAMETER2.375 INCHES NOMINAL SECOND STEP
FLANGE DIAMETER2.688 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.438 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMONEL BS3071NA13 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE2.375 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG20.000 NOMINAL
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.500 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL


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