3040-01-171-5054 SHAFT,STRAIGHT Index 4820-01-171-5056 SEAT,VALVE

National Stock Number:
4820-01-171-5055

Federal Supply Class:
4820

National Item Identification Number:
011715055

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:
2640-770X396169ELECTRIC BOAT CORPORATION
2640-770X3 PIECE 2996169ELECTRIC BOAT CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER1.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.456 INCHES NOMINAL
OVERALL HEIGHT0.230 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN


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