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 4140-00-300-8111
NSN 5950-01-437-0362
NSN 6610-01-200-6861
NSN 2925-00-816-8765
NSN 6150-01-611-4419
NSN 5996-00-242-4384
NSN 6220-00-369-5422
NSN 6620-01-105-3264
NSN 5945-01-283-6531
NSN 6135-01-159-9705
NSN 6220-01-347-3578
NSN 6650-01-325-7926