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 6685-01-374-9082
NSN 5930-00-212-7480
NSN 2925-01-429-2235
NSN 5920-01-442-7685
NSN 6130-01-462-4226
NSN 5950-01-334-2407
NSN 7035-01-440-8877
NSN 6220-00-882-8003
NSN 6135-00-010-5275
NSN 5945-00-682-7358
NSN 5950-00-187-0232
NSN 5925-01-491-0712