Fourth hole along the length of shaft drilled below centerline of the first three holes
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 4140-01-389-3911
NSN 5990-01-497-2138
NSN 5905-01-433-4729
NSN 5930-00-278-7731
NSN 6130-01-416-7178
NSN 5965-01-615-3420
NSN 5925-00-035-8469
NSN 6145-01-574-7699
NSN 5910-01-494-0592
NSN 6610-00-486-5343
NSN 6105-00-244-3007
NSN 5925-01-211-5816