4540-00-311-5256 HEATING ELEMENT,ELECTRICAL,IMMER Index 4730-00-311-5292 CAP,LUBRICATION FITTING,PROTECTI

National Stock Number:
4820-00-311-5270

Federal Supply Class:
4820

National Item Identification Number:
003115270

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:
05-077587327SPEAKMAN COMPANY
577587327SPEAKMAN COMPANY


Techincal Specification:
BODY INSIDE DIAMETER0.406 INCHES NOMINAL
FLANGE DIAMETER0.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.078 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.438 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORTHREADED FLANGED
THREAD LENGTH0.188 INCHES NOMINAL SINGLE THREADED PORTION
THREAD CLASS2A SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH27 SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.188 INCHES NOMINAL


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