5905-00-898-9424 RESISTOR,FIXED,WIRE WOUND,NONIND Index 2810-00-898-9426 GUIDE,VALVE STEM

National Stock Number:
2810-00-898-9425

Federal Supply Class:
2810

National Item Identification Number:
008989425

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:
75838-P1080254TEXTRON LYCOMING INC WILLIAMSPORT PLANT
75838-P10R1120SATAIR A/S
LW-11958-P1080254TEXTRON LYCOMING INC WILLIAMSPORT PLANT


Techincal Specification:
AA END CHAMFER ANGLE IN DEG12.5
AA END CHAMFER LENGTH0.020 INCHES NOMINAL
AA END DIAMETER0.673 INCHES MINIMUM AND 0.674 INCHES MAXIMUM
BB END CHAMFER LENGTH0.030 INCHES NOMINAL
BB END CHAMFER ANGLE IN DEG45.0
BB END SHANK DIAMETER0.660 INCHES NOMINAL
BORE DIAMETER0.4790 INCHES MINIMUM AND 0.4800 INCHES MAXIMUM
BORE COUNTERBORENOT INCLUDED
BORE COUNTERSINKINCLUDED
COUNTERSINK DIAMETER0.520 INCHES NOMINAL
COUNTERSINK LOCATIONBB END
COUNTERSINK ANGLE IN DEG60.0
GROOVE QUANTITY1
LENGTH FROM AA END TO LARGEST DIAMETER FACE1.250 INCHES NOMINAL
MAJOR DIAMETER LENGTH0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING
III FSC APPLICATION DATAENGINE,ACFT,RECIPROCATING
PROPRIETARY CHARACTERISTICSPACS
METALLIC HARDNESS RATING85.0 MINIMUM ROCKWELL B AND 95.0 MAXIMUM ROCKWELL B
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 DESIGNATORSHOULDERED-GROOVED SHANK


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