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 5920-00-581-9302
NSN 6105-01-611-9920
NSN 5950-01-609-9877
NSN 5985-00-729-4074
NSN 6650-01-327-4122
NSN 5855-01-272-1504
NSN 5835-00-003-0295
NSN 5910-01-267-6885
NSN 2925-01-257-6225
NSN 6240-00-925-2194
NSN 5915-01-035-9818
NSN 6130-01-619-3338