2810-00-396-3976 GUIDE,VALVE STEM Index 2810-00-396-3978 GUIDE,VALVE STEM

National Stock Number:
2810-00-396-3977

Federal Supply Class:
2810

National Item Identification Number:
003963977

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:
66713-P1080254TEXTRON LYCOMING INC WILLIAMSPORT PLANT
66713-P10R1120SATAIR A/S
LW-11956-P1080254TEXTRON LYCOMING INC WILLIAMSPORT PLANT


Techincal Specification:
AA END CHAMFER LENGTH0.030 INCHES NOMINAL
AA END CHAMFER ANGLE IN DEG45.0
AA END DIAMETER0.603 INCHES MINIMUM AND 0.604 INCHES MAXIMUM
BB END CHAMFER LENGTH0.030 INCHES NOMINAL
BB END CHAMFER ANGLE IN DEG45.0
BB END SHANK DIAMETER0.580 INCHES MINIMUM AND 0.600 INCHES MAXIMUM
BORE COUNTERBORENOT INCLUDED
BORE COUNTERSINKINCLUDED
BORE DIAMETER0.3950 INCHES MINIMUM AND 0.3970 INCHES MAXIMUM
COUNTERSINK LENGTH0.420 INCHES NOMINAL
COUNTERSINK LOCATIONAA END AND BB END
COUNTERSINK ANGLE IN DEG60.0
MAJOR DIAMETER LENGTH0.047 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
MATERIALASARCON,CAST BRONZE
III FSC APPLICATION DATAENGINE,AIRLRAFT,RECIPROCOATING
PROPRIETARY CHARACTERISTICSPACS
METALLIC HARDNESS RATING80.0 MINIMUM ROCKWELL F
OUTSIDE DIAMETER0.6033 INCHES MINIMUM AND 0.6038 INCHES MAXIMUM
OVERALL LENGTH2.500 INCHES NOMINAL
SHOULDER FIRST FILLET RADIUS0.020 INCHES NOMINAL
SHOULDER SECOND FILLET RADIUS0.020 INCHES NOMINAL
STYLE DESIGNATORPLAIN


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