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National Stock Number:
2815-00-110-3590
Federal Supply Class:
2815
National Item Identification Number:
001103590
Description:
SCREW,ADJUSTING,VALVE TAPPET
Detail:
AN EXTERNALLY THREADED SCREW-LIKE DEVICE WITH A HEXAGON, SQUARE, SLOTTED OR ANY OTHER TYPE DRIVE END. THE OTHER END MAY HAVE A SPHERICAL BALL, SOCKET OR OTHER TYPE OF MACHINED SURFACE. IT MAY HAVE A CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE AND A HOLE PERPENDICULAR TO THE AXIS JOINING THE CONCENTRIC HOLE FOR LUBRICATION. IT IS SPECIFICALLY DESIGNED TO BE USED AS A MEANS FOR ADJUSTING ENGINE POPPET VALVE TAPPET CLEARANCES AND MAY BE FURNISHED WITH A LOCK NUT.
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Manufacturer Information:
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Techincal Specification:
| CASEHARDENING INDICATOR | CASEHARDENED | | END LARGEST DIAMETER | 0.500 INCHES NOMINAL | | END LENGTH | 0.385 INCHES NOMINAL | | END SPHERICAL RADIUS | 0.250 INCHES NOMINAL | | OVERALL LENGTH | 2.113 INCHES NOMINAL | | MATERIAL | STEEL | | SLOT DEPTH | 0.105 INCHES NOMINAL | | SMALLEST DIAMETER | 0.320 INCHES NOMINAL | | SLOT WIDTH | 0.080 INCHES NOMINAL | | STYLE DESIGNATOR | SPHERICAL HEAD, UNDERCUT, SLOT DRIVE | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.425 INCHES | | THREAD SERIES | UNC | | THREAD SIZE | 7/16-14 | | UNDERCUT DIAMETER | 0.320 INCHES NOMINAL | | UNDERCUT WIDTH | 0.165 INCHES NOMINAL |
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