NSN 2805-00-737-8857

Part Details | ENGINE POPPET VALVE

2805-00-737-8857 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: 42670, 4-2670, 42670, 4-2670, 7378857, 2805-00-737-8857, 00-737-8857, 2805007378857, 007378857

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-737-885715884 ( VALVE, POPPET, ENGINE )
REFERENCE DRAWINGS & PICTURES

FLAT

VALVE,POPPET,ENGINE | 2805-00-737-8857, 007378857

PLAIN

VALVE,POPPET,ENGINE | 2805-00-737-8857, 007378857
Cross Reference | NSN 2805-00-737-8857
Part Number Cage Code Manufacturer
4-267024617GENERAL MOTORS CORP
4-26707X677GENERAL MOTORS LLCDBA GENERAL MOTORS
737885719207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 2805-00-737-8857
Characteristic Specifications
MATERIAL AND LOCATION STEEL OVERALL
HEAD STYLE FLAT
HEAD HEIGHT0.1400 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM
OUTSIDE DIAMETER1.7450 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM
NECK RADIUS0.3120 INCHES NOMINAL
SEAT ANGLE IN DEG45.0
STEM STYLE PLAIN
CHAMFER LENGTH0.0312 INCHES NOMINAL
STEM LENGTH4.5515 INCHES MINIMUM AND 4.5965 INCHES MAXIMUM
STEM DIAMETER0.3415 INCHES MINIMUM AND 0.3425 INCHES MAXIMUM
DISTANCE FROM FIRST GROOVE TO STEM END0.1830 INCHES NOMINAL
DISTANCE FROM SECOND GROOVE TO STEM END0.4540 INCHES NOMINAL
FIRST GROOVE DIAMETER0.2980 INCHES MINIMUM AND 0.3040 INCHES MAXIMUM
SECOND GROOVE DIAMETER0.2740 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM
FIRST GROOVE WIDTH0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM
SECOND GROOVE WIDTH0.0390 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM
CHAMFER ANGLE IN DEG45.0
CARBON RELIEF GROOVE NOT INCLUDED
FSC APPLICATION DATAGASOLINE ENGINE