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 5990-01-185-2722
NSN 5835-00-433-8540
NSN 5990-01-172-4553
NSN 6105-01-515-5578
NSN 5910-00-587-4791
NSN 5935-01-168-8781
NSN 5835-01-442-6482
NSN 6130-01-396-2788
NSN 6620-01-183-1900
NSN 4140-01-110-7685
NSN 5930-01-407-1832
NSN 6685-01-055-5298