NSN 2805-00-333-6253

Part Details | ENGINE POPPET VALVE

2805-00-333-6253 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: S749I309, 2805-00-333-6253, 00-333-6253, 2805003336253, 003336253

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-333-625315884 ( VALVE, POPPET, ENGINE )
REFERENCE DRAWINGS & PICTURES

MUSHROOM

PLAIN

Cross Reference | NSN 2805-00-333-6253
Part Number Cage Code Manufacturer
S749I30914351TELEDYNE CONTINENTAL MOTORSINDUSTRIAL PRODUCTS DIV
Technical Data | NSN 2805-00-333-6253
Characteristic Specifications
METALLIC HARDNESS RATING AND LOCATIONADT54.0 ROCKWELL C MINIMUM
HEAD STYLE MUSHROOM
HEAD HEIGHT0.2740 INCHES MINIMUM AND 0.2840 INCHES MAXIMUM
OUTSIDE DIAMETER2.1360 INCHES MINIMUM AND 2.1460 INCHES MAXIMUM
NECK RADIUS0.3750 INCHES NOMINAL
SEAT ANGLE IN DEG46.0
STEM STYLE PLAIN
CHAMFER LENGTH0.0060 INCHES NOMINAL
STEM LENGTH7.0795 INCHES MINIMUM AND 7.0945 INCHES MAXIMUM
STEM DIAMETER0.4880 INCHES MINIMUM AND 0.4930 INCHES MAXIMUM
DISTANCE FROM FIRST GROOVE TO STEM END0.4380 INCHES MINIMUM AND 0.4680 INCHES MAXIMUM
DISTANCE FROM SECOND GROOVE TO STEM END0.6370 INCHES MINIMUM AND 0.7860 INCHES MAXIMUM
FIRST GROOVE DIAMETER0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM
SECOND GROOVE DIAMETER0.4550 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM
FIRST GROOVE WIDTH0.0500 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM
SECOND GROOVE WIDTH0.0350 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM
CHAMFER ANGLE IN DEG30.0
CARBON RELIEF GROOVE NOT INCLUDED
FSC APPLICATION DATAGASOLINE ENGINE