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National Stock Number:
2815-00-424-4407
Federal Supply Class:
2815
National Item Identification Number:
004244407
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.
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Manufacturer Information:
| MD3687 | 76558 | MWM-MURPHY DIESEL CO | | MD3687A | 76558 | MWM-MURPHY DIESEL CO |
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Techincal Specification:
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.2500 INCHES NOMINAL | | DISTANCE FROM SECOND GROOVE TO STEM END | 0.8750 INCHES NOMINAL | | CARBON RELIEF GROOVE | NOT INCLUDED | | CHAMFER LENGTH | 0.0312 INCHES NOMINAL | | CHAMFER ANGLE IN DEG | 45.0 | | FIRST GROOVE DIAMETER | 0.3720 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM | | FIRST GROOVE WIDTH | 0.5625 INCHES NOMINAL | | FSC APPLICATION DATA | DIESEL ENGINE | | HEAD HEIGHT | 0.1875 INCHES NOMINAL | | HEAD STYLE | FLAT | | OUTSIDE DIAMETER | 1.8100 INCHES MINIMUM AND 1.8150 INCHES MAXIMUM | | METALLIC HARDNESS RATING | 28.0 MINIMUM ROCKWELL C AND 37.0 MAXIMUM ROCKWELL C OVERALL | | NECK RADIUS | 0.5000 INCHES NOMINAL | | SEAT ANGLE IN DEG | 45.0 SINGLE | | SECOND GROOVE DIAMETER | 0.4050 INCHES MINIMUM AND 0.4100 INCHES MAXIMUM | | SECOND GROOVE WIDTH | 0.0625 INCHES NOMINAL | | STEM DIAMETER | 0.4350 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM | | STEM LENGTH | 6.9062 INCHES NOMINAL | | STEM STYLE | DOUBLE GROOVED |
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