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National Stock Number:
2815-01-217-8094
Federal Supply Class:
2815
National Item Identification Number:
012178094
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:
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Techincal Specification:
| DISTANCE FROM GROOVE TO STEM END | 0.3090 INCHES NOMINAL | | CARBON RELIEF GROOVE | NOT INCLUDED | | CHAMFER ANGLE IN DEG | 45.0 | | CHAMFER LENGTH | 0.0200 INCHES NOMINAL | | GROOVE DIAMETER | 0.3320 INCHES NOMINAL | | GROOVE WIDTH | 0.1000 INCHES NOMINAL | | HEAD HEIGHT | 0.1800 INCHES NOMINAL | | HEAD STYLE | CONCAVE | | III MATERIAL AND LOCATION | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | METALLIC HARDNESS RATING AND LOCATION | 35.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL | | NECK RADIUS | 0.5100 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.8210 INCHES NOMINAL | | SEAT ANGLE IN DEG | 60.0 | | STEM DIAMETER | 0.3720 INCHES NOMINAL | | STEM LENGTH | 4.7310 INCHES NOMINAL | | STEM STYLE | GROOVED |
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