Groove in center 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 5910-01-466-8322
NSN 6320-01-244-9268
NSN 5910-01-188-2500
NSN 5996-01-586-7787
NSN 5985-01-183-8218
NSN 7035-01-631-4095
NSN 4140-01-028-2743
NSN 5915-01-451-4119
NSN 5960-00-915-4175
NSN 5915-01-484-1505
NSN 6145-01-181-6198
NSN 6145-01-400-1938