NSN 2805-00-511-6269
Part Details | ENGINE POPPET VALVE
2805-00-511-6269 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: 407979, 6407979, 407979, 6407979, 2805-00-511-6269, 00-511-6269, 2805005116269, 005116269
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
28 | JAN 01, 1963 | 00-511-6269 | 15884 ( VALVE, POPPET, ENGINE ) |
REFERENCE DRAWINGS & PICTURES
INVERTED CONE

THREADED AND DRILLED

Cross Reference | NSN 2805-00-511-6269
Part Number | Cage Code | Manufacturer |
---|---|---|
407979 | 1ML14 | BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS |
6407979 | 1ML14 | BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS |
407979 | 28265 | HERCULES ENGINE CO INC |
6407979 | 28265 | HERCULES ENGINE CO INC |
Technical Data | NSN 2805-00-511-6269
Characteristic | Specifications |
---|---|
METALLIC HARDNESS RATING AND LOCATION | ADT50.0 ROCKWELL C MINIMUM |
HEAD STYLE | INVERTED CONE |
HEAD HEIGHT | 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
OUTSIDE DIAMETER | 2.7400 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM |
NECK RADIUS | 0.8750 INCHES NOMINAL |
SEAT ANGLE IN DEG | 29.0 |
STEM STYLE | 0 THREADED AND DRILLED |
CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
MINOR OUTSIDE DIAMETER | 0.4320 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM |
MINOR DIAMETER LENGTH | 0.5160 INCHES MINIMUM AND 0.5230 INCHES MAXIMUM |
STEM LENGTH | 5.8460 INCHES MINIMUM AND 5.8810 INCHES MAXIMUM |
STEM DIAMETER | 0.5270 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM |
DISTANCE FROM FIRST GROOVE TO STEM END | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
DISTANCE FROM SECOND GROOVE TO STEM END | 0.2555 INCHES MINIMUM AND 0.2605 INCHES MAXIMUM |
DISTANCE FROM THIRD GROOVE TO STEM END | 0.4160 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM |
FIRST GROOVE DIAMETER | 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM |
SECOND GROOVE DIAMETER | 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM |
THIRD GROOVE DIAMETER | 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM |
FIRST GROOVE WIDTH | 0.1000 INCHES NOMINAL |
SECOND GROOVE WIDTH | 0.1000 INCHES NOMINAL |
THIRD GROOVE WIDTH | 0.1000 INCHES NOMINAL |
CHAMFER ANGLE IN DEG | 45.0 |
TAPER ANGLE IN DEG | 15.0 |
CARBON RELIEF GROOVE | NOT INCLUDED |
FSC APPLICATION DATA | GASOLINE ENGINE |