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National Stock Number:
2815-00-353-8359
Federal Supply Class:
2815
National Item Identification Number:
003538359
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:
| 3303271 | 55380 | HATCH & KIRK, INC. | | 3303271 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | CONCENTRIC HOLE DEPTH | 1.780 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.125 INCHES NOMINAL | | END SPHERICAL RADIUS | 0.370 INCHES NOMINAL | | END LARGEST DIAMETER | 0.746 INCHES NOMINAL | | END LENGTH | 0.600 INCHES NOMINAL | | FIRST END THREAD LENGTH | 0.908 INCHES NOMINAL | | FIRST RADIAL FLUID HOLE DIAMETER | 0.125 INCHES NOMINAL | | OVERALL LENGTH | 3.090 INCHES NOMINAL | | MATERIAL | STEEL | | SECOND END THREAD LENGTH | 0.890 INCHES NOMINAL | | SLOT DEPTH | 0.176 INCHES NOMINAL | | SMALLEST DIAMETER | 0.624 INCHES NOMINAL | | SLOT WIDTH | 0.090 INCHES NOMINAL | | STYLE DESIGNATOR | SPHERICAL HEAD, DOUBLE THREAD, CONCENTRIC HOLE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UN | | THREAD SIZE | 11/16-16 |
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