3020-00-063-8910 GEAR,SPUR Index 3020-00-063-8924 GEAR SET,BEVEL,MATCHED

National Stock Number:
4820-00-063-8911

Federal Supply Class:
4820

National Item Identification Number:
000638911

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:
60-620PC60827235HARDIE-TYNES CO., INC.
620-60827235HARDIE-TYNES CO., INC.
620-6089E328STEWARD MACHINE CO INC


Techincal Specification:
BODY INSIDE DIAMETER1.290 INCHES MINIMUM AND 1.292 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.315 INCHES MINIMUM AND 2.320 INCHES MAXIMUM
FLANGE DIAMETER2.805 INCHES MINIMUM AND 2.810 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.750 INCHES NOMINAL
HARDNESS RATING202.0 BRINELL STANDARD NOMINAL BODY
HARDNESS RATING202.0 BRINELL STANDARD NOMINAL FACE
MATERIALCOBALT ALLOY FACE
MATERIALSTEEL COMP 410 BODY
SEAT ANGLE IN DEG30.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.188 INCHES NOMINAL


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