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 6145-00-210-6257
NSN 5975-00-246-4906
NSN 5945-01-309-5493
NSN 6110-00-900-3970
NSN 5996-01-133-8211
NSN 5835-01-399-5820
NSN 5855-01-020-7982
NSN 6105-00-945-8214
NSN 6130-00-025-4857
NSN 6130-00-473-2270
NSN 6620-01-435-7083
NSN 6685-01-139-3529