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 5990-00-870-8310
NSN 4140-00-293-7847
NSN 6220-01-563-4969
NSN 6320-01-056-1164
NSN 6620-01-308-0860
NSN 2925-01-400-2286
NSN 6620-01-189-8153
NSN 6145-01-118-1556
NSN 6145-01-417-5762
NSN 5990-01-503-0194
NSN 5920-01-544-1999
NSN 5945-01-464-0631