4820-00-980-3954 SEAT,VALVE Index 5360-00-980-3956 SPRING,FLAT

National Stock Number:
4820-00-980-3955

Federal Supply Class:
4820

National Item Identification Number:
009803955

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:
75865-46X1PC396169ELECTRIC BOAT CORPORATION
76692-10X11PC396169ELECTRIC BOAT CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.151 INCHES MINIMUM AND 1.156 INCHES MAXIMUM
HARDNESS RATING75.0 ROCKWELL M NOMINAL OVERALL
OVERALL HEIGHT0.297 INCHES NOMINAL
MATERIALPLASTIC POLYAMIDE (NYLON) OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN


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