2810-00-118-6474 VALVE,POPPET,ENGINE Index 2810-00-118-6478 VALVE,POPPET,ENGINE

National Stock Number:
2810-00-118-6477

Federal Supply Class:
2810

National Item Identification Number:
001186477

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:
8347700198PRATT & WHITNEY CANADA CORP
8347777445RTX CORPORATION


Techincal Specification:
DISTANCE FROM GROOVE TO STEM END0.2150 INCHES MINIMUM AND 0.2210 INCHES MAXIMUM
CARBON RELIEF GROOVEINCLUDED
FSC APPLICATION DATAACFT ENG R2800
GROOVE DIAMETER0.5050 INCHES MINIMUM AND 0.5070 INCHES MAXIMUM
GROOVE WIDTH0.1860 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM
HEAD HEIGHT0.2500 INCHES NOMINAL
HEAD STYLEFLAT
OUTSIDE DIAMETER2.9630 INCHES MINIMUM AND 2.9730 INCHES MAXIMUM
METALLIC HARDNESS RATING AND LOCATION50.0 SHORE SCLEROSCOPE MINIMUM OVERALL
METALLIC HARDNESS RATING AND LOCATION60.0 SHORE SCLEROSCOPE MAXIMUM OVERALL
NECK RADIUS0.8750 INCHES NOMINAL
SEAT ANGLE IN DEG45.0
STEM DIAMETER0.6180 INCHES MINIMUM AND 0.6190 INCHES MAXIMUM
STEM LENGTH5.6300 INCHES NOMINAL
STEM STYLEGROOVED


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