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National Stock Number:
2815-00-970-1284
Federal Supply Class:
2815
National Item Identification Number:
009701284
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:
| 150288 | 15434 | CUMMINS INC. | | 3803517 | 15434 | CUMMINS INC. | | 68276 | 15434 | CUMMINS INC. | | R66861 | 15434 | CUMMINS INC. | | MILE11276 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | QPL11276 | 97403 | CECOM LR CENTER |
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Techincal Specification:
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.5780 INCHES NOMINAL | | CARBON RELIEF GROOVE | NOT INCLUDED | | CHAMFER ANGLE IN DEG | 45.0 | | CHAMFER LENGTH | 0.0156 INCHES NOMINAL | | DISTANCE FROM FIRST GROOVE TO STEM END | 0.3590 INCHES NOMINAL | | FIRST GROOVE DIAMETER | 0.3020 INCHES NOMINAL | | FIRST GROOVE WIDTH | 0.3120 INCHES NOMINAL | | HEAD HEIGHT | 0.2000 INCHES NOMINAL | | HEAD STYLE | FLAT | | OUTSIDE DIAMETER | 1.7460 INCHES NOMINAL | | METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL | | MINOR DIAMETER LENGTH | 0.7187 INCHES NOMINAL | | MINOR OUTSIDE DIAMETER | 0.3700 INCHES NOMINAL | | NECK RADIUS | 0.5000 INCHES NOMINAL | | SEAT ANGLE IN DEG | 30.0 | | SECOND GROOVE DIAMETER | 0.3020 INCHES NOMINAL | | SECOND GROOVE WIDTH | 0.1560 INCHES NOMINAL | | STEM DIAMETER | 0.4020 INCHES NOMINAL | | STEM LENGTH | 6.8120 INCHES NOMINAL | | STEM STYLE | DOUBLE GROOVED |
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