Fourth hole along the length of shaft drilled below centerline of the first three holes
A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.O25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 5975-00-200-2002
NSN 5975-00-188-1164
NSN 5835-00-334-6556
NSN 6130-01-128-1776
NSN 6240-01-420-7304
NSN 5990-01-442-3520
NSN 5935-01-492-6787
NSN 6220-01-479-0668
NSN 6150-00-974-2167
NSN 5945-01-290-8035
NSN 6685-01-483-8195
NSN 6135-01-090-5365