Eight grooves along length of shaft
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 5905-00-257-6822
NSN 5990-01-076-8901
NSN 5985-01-299-3708
NSN 5975-01-312-9500
NSN 5915-00-263-2175
NSN 6145-00-681-1585
NSN 6685-00-275-4401
NSN 4140-01-541-5738
NSN 5990-00-061-7911
NSN 6610-01-272-2987
NSN 5950-01-214-0586
NSN 7035-01-555-8793