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 5999-00-169-6395
NSN 5950-00-456-1328
NSN 4140-00-203-3162
NSN 5945-01-356-3489
NSN 2925-01-224-1885
NSN 5985-01-436-4163
NSN 5950-01-597-3001
NSN 5835-01-362-0305
NSN 5935-00-647-4020
NSN 5835-01-073-1345
NSN 6135-00-455-2425
NSN 6150-01-529-5671