1680-00-338-6136 SUPPORT,EMER REL BE Index 1680-00-338-6140 LAP ASSEMBLY,MATCHED SET

National Stock Number:
4810-00-338-6139

Federal Supply Class:
4810

National Item Identification Number:
003386139

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:
3167-01760029WOODWARD HRT, INC.
3167-01781873WOODWARD HRT INC


Techincal Specification:
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 59.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR


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