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		                             National Stock Number: 2815-00-083-8231
  Federal Supply Class: 2815
  National Item Identification Number: 000838231
  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:
 | 2M6402 | 11083 | CATERPILLAR INC |  | IPD2M6402 | 55883 | INDUSTRIAL PARTS DEPOT INC |  | V2992XS | 31033 | TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT |   
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  Techincal Specification:
 | DISTANCE FROM FIRST GROOVE TO STEM END | 0.2812 INCHES NOMINAL |  | DISTANCE FROM SECOND GROOVE TO STEM END | 0.4375 INCHES NOMINAL |  | CARBON RELIEF GROOVE | NOT INCLUDED |  | CHAMFER ANGLE IN DEG | 45.0 |  | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |  | FIRST GROOVE DIAMETER | 0.3040 INCHES NOMINAL |  | FIRST GROOVE WIDTH | 0.0625 INCHES NOMINAL |  | HEAD HEIGHT | 0.2188 INCHES NOMINAL |  | HEAD STYLE | FLAT |  | III MATERIAL AND LOCATION | STEEL STEM |  | III MATERIAL AND LOCATION | STEEL, CORROSION RESISTING HEAD |  | PROPRIETARY CHARACTERISTICS | PACS |  | NECK RADIUS | 0.5000 INCHES NOMINAL |  | OUTSIDE DIAMETER | 1.7500 INCHES NOMINAL |  | SEAT ANGLE IN DEG | 45.0 |  | SECOND GROOVE DIAMETER | 0.3040 INCHES NOMINAL |  | SECOND GROOVE WIDTH | 0.0625 INCHES NOMINAL |  | STEM DIAMETER | 0.3750 INCHES NOMINAL |  | STEM LENGTH | 5.8125 INCHES NOMINAL |  | STEM STYLE | DOUBLE GROOVED |   
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