4820-01-560-6048 SEAT,VALVE Index 4820-01-560-6050 SEAT,VALVE

National Stock Number:
4820-01-560-6049

Federal Supply Class:
4820

National Item Identification Number:
015606049

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:
ENDM125289 ITEM 9M96169ELECTRIC BOAT CORPORATION
ENDM125289-9M96169ELECTRIC BOAT CORPORATION


Techincal Specification:
BODY OUTSIDE DIAMETER0.562 INCHES NOMINAL
MATERIALPLASTIC ACETAL OVERALL
PROPRIETARY CHARACTERISTICSPACS
SEAL ACCOMMODATION TYPEGROOVED
SEAT RADIUS0.031 INCHES NOMINAL
SEATING SURFACE SHAPERADIAL
SPECIAL FEATURESPIECE 9M IS IDENTICAL TO PC 9 EXCEPT BEING 0.250 IN THICKER W/UNFINISHED BACKSIDE. IT IS INTENDED FOR OVERHAUL MAINTENANCE USE. BEFORE INSTALLING VALVE SEAT BACKSIDE SHALL BE MACHINED TO SPECIFIC PROFILE AND STACK HT
STYLE DESIGNATORPLAIN


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