5360-00-216-9090 SPRING,HELICAL,COMPRESSION Index 4820-00-216-9092 DIAPHRAGM,VALVE,FLAT

National Stock Number:
4820-00-216-9091

Federal Supply Class:
4820

National Item Identification Number:
002169091

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:
8686438056ASHCROFT INC


Techincal Specification:
STYLE DESIGNATORDOUBLE FLANGED
OVERALL HEIGHT2.875 INCHES NOMINAL
BODY INSIDE DIAMETER1.375 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
THREAD SERIES DESIGNATORUN FIRST THREADED PORTION
UN SECOND THREADED PORTION
NOMINAL THREAD SIZE2.125 INCHES FIRST THREADED PORTION
2.438 INCHES SECOND THREADED PORTION
THREAD QUANTITY PER INCH16 FIRST THREADED PORTION
16 SECOND THREADED PORTION
THREAD CLASS2A FIRST THREADED PORTION
3A SECOND THREADED PORTION
THREAD LENGTH0.500 INCHES NOMINAL FIRST THREADED PORTION
0.875 INCHES NOMINAL SECOND THREADED PORTION


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