2815-00-393-5585 VALVE,POPPET,ENGINE Index 2995-00-393-5589 CAP,THREADED,ENGINE STARTER VALV

National Stock Number:
2815-00-393-5586

Federal Supply Class:
2815

National Item Identification Number:
003935586

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:
748381601NORFOLK NAVAL SHIPYARD


Techincal Specification:
DISTANCE FROM GROOVE TO STEM END0.8125 INCHES NOMINAL
DISTANCE FROM MINOR DIAMETER TO STEM END0.2344 INCHES NOMINAL
CARBON RELIEF GROOVENOT INCLUDED
CHAMFER LENGTH0.0156 INCHES NOMINAL
CHAMFER ANGLE IN DEG30.0
GROOVE DIAMETER0.3390 INCHES MINIMUM AND 0.3550 INCHES MAXIMUM
GROOVE WIDTH0.3125 INCHES NOMINAL
HEAD HEIGHT0.1310 INCHES MINIMUM AND 0.1410 INCHES MAXIMUM
HEAD STYLEFLAT
OUTSIDE DIAMETER1.4420 INCHES MINIMUM AND 1.4460 INCHES MAXIMUM
METALLIC HARDNESS RATING37.0 MINIMUM ROCKWELL C AND 41.0 MAXIMUM ROCKWELL C HEAD
METALLIC HARDNESS RATING37.0 MINIMUM ROCKWELL C AND 41.0 MAXIMUM ROCKWELL C STEM
METALLIC HARDNESS RATING49.0 MINIMUM ROCKWELL C TIP
MINOR DIAMETER LENGTH0.3120 INCHES NOMINAL
MINOR OUTSIDE DIAMETER0.3030 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM
NECK RADIUS0.2500 INCHES NOMINAL
SEAT ANGLE IN DEG45.0 SINGLE
STEM DIAMETER0.3720 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM
STEM LENGTH6.4220 INCHES MINIMUM AND 6.4270 INCHES MAXIMUM
STEM STYLETAPERED AND GROOVED
TAPER ANGLE IN DEG30.0


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