3020-00-060-9420 GEAR,SPUR Index 1680-00-060-9425 BRACKET,EYE,NONROTATING SHAFT

National Stock Number:
4820-00-060-9424

Federal Supply Class:
4820

National Item Identification Number:
000609424

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:
5595-502121GOODRICH AEROSPACE CANADA LTD.


Techincal Specification:
SEATING SURFACE SHAPEFLAT
FLANGE DIAMETER0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.562 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.088 NOMINAL MILS AND 0.090 NOMINAL CENTIMETERS
BODY OUTSIDE DIAMETER0.309 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732,TYPE 431 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
FSC APPLICATION DATAVALVE INSTALLATION,MAIN WHEEL BRAKE,AIRCRAFT


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