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 6610-01-612-4611
NSN 6220-01-020-7873
NSN 5935-00-753-5101
NSN 6650-01-294-5243
NSN 6130-00-635-9853
NSN 5975-01-237-2163
NSN 5999-01-600-6555
NSN 6145-01-099-8035
NSN 5910-01-388-3735
NSN 6650-01-272-9746
NSN 6130-01-134-3169
NSN 6645-01-259-6092