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 6645-00-527-6531
NSN 5960-01-089-8155
NSN 6645-00-825-5677
NSN 2925-01-054-3190
NSN 6240-00-170-5302
NSN 6610-01-609-7776
NSN 5945-01-378-6767
NSN 5990-01-231-1214
NSN 5855-01-262-1766
NSN 5895-00-171-0412
NSN 6610-00-186-9180
NSN 6645-01-063-8243