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 5905-01-633-1367
NSN 6685-01-356-3564
NSN 6645-00-145-6411
NSN 6150-01-328-3702
NSN 6240-01-364-4112
NSN 5855-00-757-5149
NSN 5965-01-205-6249
NSN 5975-01-353-8395
NSN 5960-01-217-8928
NSN 5835-01-416-6455
NSN 5935-01-523-1802
NSN 5925-01-464-6809