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National Stock Number:
2805-00-429-4198
Federal Supply Class:
2805
National Item Identification Number:
004294198
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:
| 145436A | 64104 | DRESSER, LLC | | 145436C | 64104 | DRESSER, LLC | | 1A145436A | 23382 | FWD SEAGRAVE HOLDINGS LP |
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Techincal Specification:
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.2190 INCHES NOMINAL | | DISTANCE FROM SECOND GROOVE TO STEM END | 0.5310 INCHES NOMINAL | | CARBON RELIEF GROOVE | NOT INCLUDED | | CHAMFER ANGLE IN DEG | 60.0 | | CHAMFER LENGTH | 0.0310 INCHES NOMINAL | | FIRST GROOVE DIAMETER | 0.4280 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM | | FIRST GROOVE WIDTH | 0.1250 INCHES NOMINAL | | HEAD HEIGHT | 0.1249 INCHES NOMINAL | | HEAD STYLE | MUSHROOM | | OUTSIDE DIAMETER | 2.5525 INCHES MINIMUM AND 2.5625 INCHES MAXIMUM | | METALLIC HARDNESS RATING AND LOCATION | | | METALLIC HARDNESS RATING AND LOCATION | 48.0 ROCKWELL C NOMINAL TIP | | NECK RADIUS | 0.4375 INCHES NOMINAL | | SEAT ANGLE IN DEG | 30.0 | | SECOND GROOVE DIAMETER | 0.4280 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM | | SECOND GROOVE WIDTH | 0.1250 INCHES NOMINAL | | STEM LENGTH | 7.9688 INCHES NOMINAL | | STEM STYLE | DOUBLE GROOVED | | STEM DIAMETER | 0.5000 INCHES NOMINAL |
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