3120-00-678-3197 BEARING,SLEEVE Index 2815-00-678-3199 GUIDE,VALVE STEM

National Stock Number:
2815-00-678-3198

Federal Supply Class:
2815

National Item Identification Number:
006783198

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:
872500419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
872518019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
AA END CHAMFER LENGTH0.030 INCHES NOMINAL
AA END CHAMFER ANGLE IN DEG45.0
AA END DIAMETER0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
AA END RADIUS0.030 INCHES NOMINAL
BB END CHAMFER ANGLE IN DEG45.0
BB END CHAMFER LENGTH0.030 INCHES NOMINAL
BB END RADIUS0.030 INCHES NOMINAL
BB END SHANK DIAMETER0.753 INCHES NOMINAL
BORE COUNTERBORENOT INCLUDED
BORE COUNTERSINKNOT INCLUDED
BORE DIAMETER0.5450 INCHES MINIMUM AND 0.5470 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG90.0
COUNTERSINK DIAMETER0.590 INCHES NOMINAL
COUNTERSINK LOCATIONAA END AND BB END
FILLET STEP RADIUS0.030 INCHES NOMINAL
LENGTH FROM AA END TO LARGEST DIAMETER FACE1.375 INCHES NOMINAL
MAJOR DIAMETER LENGTH0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
OUTSIDE DIAMETER1.120 INCHES NOMINAL
OVERALL LENGTH3.810 INCHES NOMINAL
MATERIALIRON ALLOY
SHOULDER DIAMETER0.778 INCHES MINIMUM AND 0.784 INCHES MAXIMUM
SHOULDER FIRST FILLET RADIUS0.030 INCHES NOMINAL
SHOULDER LENGTH0.160 INCHES NOMINAL
SHOULDER SECOND FILLET RADIUS0.060 INCHES NOMINAL
STYLE DESIGNATORPLAIN-STEPPED SHOULDER


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