9340-01-093-1663 WINDOW,OBSERVATION Index 7690-01-093-1666 DECAL

National Stock Number:
4820-01-093-1664

Federal Supply Class:
4820

National Item Identification Number:
010931664

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:
497C08988657WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV
497C089H0197942NORTHROP GRUMMAN SYSTEMS CORPORATION
907-J-01697942NORTHROP GRUMMAN SYSTEMS CORPORATION
907-J-016 ITEM 1597942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER0.248 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.375 INCHES NOMINAL
FLANGE DIAMETER0.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.118 INCHES NOMINAL
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.254 INCHES NOMINAL


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