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 4140-01-400-3610
NSN 5965-01-288-0721
NSN 5990-01-606-1873
NSN 5999-00-909-7742
NSN 5895-00-294-6888
NSN 5855-01-516-9915
NSN 5945-00-477-8194
NSN 5975-01-545-0109
NSN 5920-00-298-0700
NSN 6220-01-121-7391
NSN 6105-01-425-8126
NSN 5835-01-645-2892