Circular groove each end
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 6320-01-578-6006
NSN 6645-01-521-3180
NSN 5985-01-339-3785
NSN 5965-00-549-0220
NSN 5910-00-840-5193
NSN 5998-01-574-9902
NSN 4140-01-634-0330
NSN 4140-01-204-2907
NSN 5996-01-205-3263
NSN 6320-01-445-5893
NSN 5935-00-530-1473
NSN 5925-00-501-7765