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 5895-01-488-3216
NSN 5855-01-400-1590
NSN 6130-01-660-0388
NSN 5895-00-542-5978
NSN 6320-01-476-7702
NSN 6135-00-027-3914
NSN 5999-01-029-8346
NSN 5910-01-399-0570
NSN 5999-00-068-8976
NSN 5996-00-964-5229
NSN 4140-01-191-1247
NSN 6220-00-984-5181