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 4140-00-255-7799
NSN 4140-01-566-1161
NSN 5855-00-973-5717
NSN 5985-01-017-2447
NSN 6610-01-499-0776
NSN 5915-01-208-0358
NSN 5855-00-688-9954
NSN 5930-01-599-3271
NSN 6105-00-357-1801
NSN 5999-01-051-1316
NSN 5999-01-044-4528
NSN 5930-01-470-6274