4820-01-261-4137 SEAT,VALVE Index 4820-01-261-4139 SEAT,VALVE

National Stock Number:
4820-01-261-4138

Federal Supply Class:
4820

National Item Identification Number:
012614138

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:
A7459-001-13001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
A7459-001-13015187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BODY INSIDE DIAMETER2.500 INCHES NOMINAL
OVERALL HEIGHT2.750 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE3.250 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG37.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN THREADED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.857 INCHES MINIMUM AND 1.310 INCHES MAXIMUM SINGLE THREADED PORTION
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION


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