5360-00-702-9865 SPRING,HELICAL,COMPRESSION Index 5305-00-702-9870 SETSCREW

National Stock Number:
4820-00-702-9866

Federal Supply Class:
4820

National Item Identification Number:
007029866

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:
33163PC1686184GRISWOLD INDUSTRIES
C379786184GRISWOLD INDUSTRIES
C3797C86184GRISWOLD INDUSTRIES


Techincal Specification:
BODY INSIDE DIAMETER2.500 INCHES MINIMUM AND 2.503 INCHES MAXIMUM
FLANGE DIAMETER3.380 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.312 INCHES NOMINAL
MATERIALNICKEL ALLOY R-405 OVERALL
NOMINAL THREAD SIZE3.000 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG5.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.278 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.628 INCHES NOMINAL


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