4-1/2" AM General Engine Valve Poppet PN: 11640819 NSN: 2805-00-917-0709

NSN:2805-00-917-0709

P/N: 11640819

ITEM NAME: VALVE,POPPET,ENGINE
HEAD STYLE: 4 CONCAVE
HEAD HEIGHT: 0.1440 INCHES MINIMUM AND 0.1580 INCHES MAXIMUM
CHAMFER ANGLE IN DEG: 45.0
GROOVE DIAMETER: 0.2980 INCHES MINIMUM AND 0.3040 INCHES MAXIMUM
CHAMFER LENGTH: 0.0300 INCHES NOMINAL
GROOVE WIDTH: 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM
OUTSIDE DIAMETER: 1.6080 INCHES MINIMUM AND 1.6180 INCHES MAXIMUM
SEAT ANGLE IN DEG: 20.0
STEM STYLE: 5 GROOVED
CARBON RELIEF GROOVE: NOT INCLUDED
NECK RADIUS: 0.3800 INCHES NOMINAL
STEM LENGTH: 4.3896 INCHES MINIMUM AND 4.4046 INCHES MAXIMUM
STEM DIAMETER: 0.3385 INCHES MINIMUM AND 0.3395 INCHES MAXIMUM
DISTANCE FROM GROOVE TO STEM END: 0.2310 INCHES NOMINAL
MATERIAL AND LOCATION: STEEL, FED STD 66, SAE EV8 HEAD
MATERIAL AND LOCATION: STEEL, FED STD 66, AISI/SAE 8645 STEM
METALLIC HARDNESS RATING AND LOCATION: NOT RATED
PROPRIETARY CHARACTERISTICS: PACS



New surplus, see photos for details.