2810-00-118-6478 VALVE,POPPET,ENGINE Index 5306-00-118-6480 BOLT,MACHINE

National Stock Number:
2810-00-118-6479

Federal Supply Class:
2810

National Item Identification Number:
001186479

Description:
VALVE,POPPET,ENGINE

Detail:
A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.


Manufacturer Information:
348500198PRATT & WHITNEY CANADA CORP
348577445RTX CORPORATION


Techincal Specification:
MATERIAL AND LOCATIONSTEEL OVERALL
METALLIC HARDNESS RATING AND LOCATION50.0 SHORE SCLEROSCOPE MINIMUM OVERALL
60.0 SHORE SCLEROSCOPE MAXIMUM OVERALL
HEAD STYLECONCAVE
HEAD HEIGHT0.2190 INCHES NOMINAL
OUTSIDE DIAMETER2.2130 INCHES MINIMUM AND
2.2230 INCHES MAXIMUM
NECK RADIUS0.7500 INCHES NOMINAL
SEAT ANGLE IN DEG45.0
STEM STYLEDOUBLE GROOVED
CHAMFER LENGTH0.0100 INCHES MINIMUM AND
0.0300 INCHES MAXIMUM
STEM LENGTH4.7090 INCHES NOMINAL
STEM DIAMETER0.4340 INCHES MINIMUM AND
0.4350 INCHES MAXIMUM
DISTANCE FROM FIRST GROOVE TO STEM END0.1875 INCHES NOMINAL
DISTANCE FROM SECOND GROOVE TO STEM END0.6250 INCHES NOMINAL
FIRST GROOVE DIAMETER0.3390 INCHES MINIMUM AND
0.3850 INCHES MAXIMUM
SECOND GROOVE DIAMETER0.3390 INCHES MINIMUM AND
0.3850 INCHES MAXIMUM
FIRST GROOVE WIDTH0.3750 INCHES NOMINAL
SECOND GROOVE WIDTH0.0480 INCHES NOMINAL
CHAMFER ANGLE IN DEG45.0
CARBON RELIEF GROOVENOT INCLUDED
THE MANUFACTURERS DATA
MANUFACTURERS CODE77445
DESIGN CONTROL REFERENCE3485


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