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National Stock Number:
2810-00-118-6478
Federal Supply Class:
2810
National Item Identification Number:
001186478
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:
| 1163 | 00198 | PRATT & WHITNEY CANADA CORP | | 1163 | 77445 | RTX CORPORATION |
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Techincal Specification:
| MATERIAL AND LOCATION | STEEL OVERALL | | METALLIC HARDNESS RATING AND LOCATION | 50.0 SHORE SCLEROSCOPE MINIMUM OVERALL | | 60.0 SHORE SCLEROSCOPE MAXIMUM OVERALL | | HEAD STYLE | CONCAVE | | HEAD HEIGHT | 0.2187 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.5930 INCHES NOMINAL | | NECK RADIUS | 0.7500 INCHES NOMINAL | | SEAT ANGLE IN DEG | 45.0 | | STEM STYLE | DOUBLE GROOVED | | CHAMFER LENGTH | 0.0100 INCHES MINIMUM AND | | 0.0300 INCHES MAXIMUM | | STEM LENGTH | 5.6718 INCHES NOMINAL | | STEM DIAMETER | 0.4345 INCHES NOMINAL | | DISTANCE FROM FIRST GROOVE TO STEM END | 0.1875 INCHES NOMINAL | | DISTANCE FROM SECOND GROOVE TO STEM END | 0.6250 INCHES NOMINAL | | FIRST GROOVE DIAMETER | 0.3390 INCHES NOMINAL | | SECOND GROOVE DIAMETER | 0.3850 INCHES NOMINAL | | FIRST GROOVE WIDTH | 0.1575 INCHES MINIMUM AND | | 0.1775 INCHES MAXIMUM | | SECOND GROOVE WIDTH | 0.0500 INCHES NOMINAL | | CHAMFER ANGLE IN DEG | 45.0 | | CARBON RELIEF GROOVE | NOT INCLUDED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 1163 |
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