1620-00-735-4474 RETAINER,ACTUATOR Index 2810-00-735-4477 SEAT,VALVE SPRING,L

National Stock Number:
2810-00-735-4475

Federal Supply Class:
2810

National Item Identification Number:
007354475

Description:
GUIDE,VALVE STEM

Detail:
A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.


Manufacturer Information:
7289780254TEXTRON LYCOMING INC WILLIAMSPORT PLANT
LW1195780254TEXTRON LYCOMING INC WILLIAMSPORT PLANT


Techincal Specification:
AA END CHAMFER ANGLE IN DEG12.5
AA END CHAMFER LENGTH0.020 INCHES NOMINAL
AA END DIAMETER0.663 INCHES MINIMUM AND 0.664 INCHES MAXIMUM
BB END CHAMFER LENGTH0.030 INCHES NOMINAL
BB END CHAMFER ANGLE IN DEG45.0
BB END SHANK DIAMETER0.660 INCHES NOMINAL
BORE DIAMETER0.4900 INCHES MINIMUM AND 0.4910 INCHES MAXIMUM
BORE COUNTERBORENOT INCLUDED
BORE COUNTERSINKINCLUDED
COUNTERSINK DIAMETER0.520 INCHES NOMINAL
COUNTERSINK LOCATIONBB END
COUNTERSINK ANGLE IN DEG60.0
LENGTH FROM AA END TO LARGEST DIAMETER FACE1.250 INCHES NOMINAL
MAJOR DIAMETER LENGTH0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
MATERIALCOPPER ALLOY
PROPRIETARY CHARACTERISTICSPACS
METALLIC HARDNESS RATING80.0 MINIMUM ROCKWELL F
OUTSIDE DIAMETER1.000 INCHES NOMINAL
OVERALL LENGTH2.250 INCHES NOMINAL
SHOULDER FIRST FILLET RADIUS0.020 INCHES NOMINAL
SHOULDER SECOND FILLET RADIUS0.020 INCHES NOMINAL
STYLE DESIGNATORPLAIN-SHOULDERED


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