4820-00-036-1888 DISK,VALVE Index 4820-00-036-1892 STEM,FLUID VALVE

National Stock Number:
4820-00-036-1891

Federal Supply Class:
4820

National Item Identification Number:
000361891

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:
8342438056ASHCROFT INC


Techincal Specification:
STYLE DESIGNATORDOUBLE FLANGED
OVERALL HEIGHT3.325 INCHES NOMINAL
BODY INSIDE DIAMETER2.486 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG12.000 NOMINAL
THREAD SERIES DESIGNATORUN FIRST THREADED PORTION
UN SECOND THREADED PORTION
NOMINAL THREAD SIZE3.125 INCHES FIRST THREADED PORTION
3.687 INCHES SECOND THREADED PORTION
THREAD QUANTITY PER INCH16 FIRST THREADED PORTION
16 SECOND THREADED PORTION
THREAD CLASS2A FIRST THREADED PORTION
2A SECOND THREADED PORTION
THREAD LENGTH0.807 INCHES NOMINAL FIRST THREADED PORTION
0.430 INCHES NOMINAL SECOND THREADED PORTION


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