Worm Shaft M64 Sight Unit Telescope Mount 3040-01-057-6546 NSN Military Surplus NOS
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Worm Shaft M64 Sight Unit Telescope Mount 3040-01-057-6546 NSN Military Surplus NOS

$99.99
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WHAT IS IT: Worm Shaft M64 Sight Unit Telescope Mount 3040-01-057-6546 NSN Military Surplus NOS **************************************** DETAILS - SPECS: 15860 MGT8270 MS14104-3 BEARING 3 3/8" long 1/8" dia 3/16" dia MATERIAL STEEL, CORROSION RESISTING TEETH HARDNESS RATING 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM SHAFT HARDNESS RATING 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM SURFACE TREATMENT PASSIVATED WORM THREAD QUANTITY 7 WORM PRESSURE ANGLE IN DEG 14.500 WORM THREAD LEAD 0.083 INCHES NOMINAL WORM THREAD DIRECTION LEFT-HAND WORM HELIX ANGLE 4 DEG 47 MIN WORM OUTSIDE DIAMETER 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM WORM PITCH DIAMETER 0.315 INCHES MINIMUM AND 0.317 INCHES MAXIMUM WORM THREAD SECTION LENGTH 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM WORM BODY TAPERED BEARING SURFACE END NOT PROVIDED SHAFT LOCATION BOTH ENDS OF WORM END SIMILARITY NOT IDENTICAL STRAIGHT UNTHREADED LENGTH 0.230 INCHES NOMINAL FIRST END, FIRST PORTION 0.270 INCHES NO

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