Two woodruff keys on body
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 6650-00-313-4172
NSN 6320-01-629-1277
NSN 5950-00-941-0451
NSN 6145-01-502-0005
NSN 6145-01-331-6365
NSN 5930-01-493-8056
NSN 4140-01-585-8374
NSN 5920-01-542-3150
NSN 6130-01-040-2581
NSN 6110-01-296-3795
NSN 6145-01-395-9102
NSN 6220-01-176-1863