NSN 2815-00-288-3903

Part Details | ENGINE POPPET VALVE

2815-00-288-3903 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.

Alternate Parts: 78047AS, 78047AS, 78047AS, 2815-00-288-3903, 00-288-3903, 2815002883903, 002883903

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-288-390315884 ( VALVE, POPPET, ENGINE )
REFERENCE DRAWINGS & PICTURES

FLAT

GROOVED

Cross Reference | NSN 2815-00-288-3903
Part Number Cage Code Manufacturer
78047AS1ML14BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS
78047AS28265HERCULES ENGINE CO INC
78047AS16460MARINE ENGINE SPECIALTIES DIV OFMESCO TECTONICS INC
Technical Data | NSN 2815-00-288-3903
Characteristic Specifications
HEAD STYLE FLAT
HEAD HEIGHT0.1870 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM
OUTSIDE DIAMETER1.3730 INCHES MINIMUM AND 1.3770 INCHES MAXIMUM
NECK RADIUS0.4375 INCHES NOMINAL
SEAT ANGLE IN DEG45.0
STEM STYLE GROOVED
GROOVE DIAMETER0.3290 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM
CHAMFER LENGTH0.0312 INCHES NOMINAL
GROOVE WIDTH0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM
STEM LENGTH4.5265 INCHES NOMINAL
STEM DIAMETER0.3725 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM
DISTANCE FROM GROOVE TO STEM END0.2812 INCHES NOMINAL
CHAMFER ANGLE IN DEG45.0
CARBON RELIEF GROOVE NOT INCLUDED
SPECIAL FEATURESWITH VALVE KEEPERS
FSC APPLICATION DATADIESEL ENGINE