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National Stock Number:
2990-00-386-2907
Federal Supply Class:
2990
National Item Identification Number:
003862907
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:
| 1F3474 | 11083 | CATERPILLAR INC | | 4819 | 80900 | EATON CORP SPRING DIV | | IPD1F3474 | 55883 | INDUSTRIAL PARTS DEPOT INC | | V1843 | 59875 | EATON CORP | | T1843 | 78557 | TOLEDO PICKLING & STEEL SALES |
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Techincal Specification:
| MATERIAL AND LOCATION | STEEL OVERALL | | HEAD STYLE | FLAT | | HEAD HEIGHT | 0.1540 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.7500 INCHES NOMINAL | | NECK RADIUS | 0.3125 INCHES NOMINAL | | SEAT ANGLE IN DEG | 45.0 | | STEM STYLE | DOUBLE GROOVED | | CHAMFER LENGTH | 0.0312 INCHES NOMINAL | | STEM LENGTH | 6.8740 INCHES NOMINAL | | STEM DIAMETER | 0.3720 INCHES NOMINAL | | DISTANCE FROM FIRST GROOVE TO STEM END | 0.3700 INCHES NOMINAL | | DISTANCE FROM SECOND GROOVE TO STEM END | 0.5250 INCHES NOMINAL | | FIRST GROOVE DIAMETER | 0.3125 INCHES NOMINAL | | SECOND GROOVE DIAMETER | 0.3125 INCHES NOMINAL | | FIRST GROOVE WIDTH | 0.0625 INCHES NOMINAL | | SECOND GROOVE WIDTH | 0.0625 INCHES NOMINAL | | CHAMFER ANGLE IN DEG | 45.0 | | CARBON RELIEF GROOVE | NOT INCLUDED | | SPECIAL FEATURES | 0.095 IN. LG,0.517 IN. DIA SHOULDER ON STEM 5.750 IN. FROM TIP END |
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