4820-00-469-2451 STEM,VALVE Index 4820-00-469-2454 CAP,VALVE

National Stock Number:
4820-00-469-2452

Federal Supply Class:
4820

National Item Identification Number:
004692452

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:
L12429IT16K2980SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD
L12429PC16K2980SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD


Techincal Specification:
BODY INSIDE DIAMETER4.000 INCHES NOMINAL
FLANGE DIAMETER4.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL
FSC APPLICATION DATAVALVE,GATE,NONPOWERED
MATERIAL DOCUMENT AND CLASSIFICATIONMONEL BS3071NA1 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE4.500 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORTHREADED FLANGED
THREAD LENGTH0.437 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.437 INCHES NOMINAL


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