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National Stock Number:
2805-00-474-9691
Federal Supply Class:
2805
National Item Identification Number:
004749691
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:
| 1440864 | 24617 | GENERAL MOTORS CORP | | 1440864 | 80442 | CADILLAC MOTOR CAR DIV OF GENERAL MOTORS CORP | | A261662 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| CARBON RELIEF GROOVE | NOT INCLUDED | | CHAMFER ANGLE IN DEG | 45.0 | | CHAMFER LENGTH | 0.0312 INCHES NOMINAL | | FIRST GROOVE DIAMETER | 0.2710 INCHES MINIMUM AND 0.2770 INCHES MAXIMUM | | HEAD HEIGHT | 0.1375 INCHES NOMINAL | | HEAD STYLE | FLAT | | OUTSIDE DIAMETER | 1.6260 INCHES MINIMUM AND 1.6360 INCHES MAXIMUM | | MATERIAL | STEEL HEAD | | MATERIAL | STEEL STEM | | METALLIC HARDNESS RATING | 39.0 NOMINAL ROCKWELL C TIP | | METALLIC HARDNESS RATING | 40.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C STEM | | NECK RADIUS | 0.3125 INCHES NOMINAL | | SEAT ANGLE IN DEG | 45.0 SINGLE | | SECOND GROOVE DIAMETER | 0.2710 INCHES MINIMUM AND 0.2770 INCHES MAXIMUM | | STEM DIAMETER | 0.3405 INCHES MINIMUM AND 0.3415 INCHES MAXIMUM | | STEM LENGTH | 5.3781 INCHES NOMINAL |
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