Curved groove 0.750 in. From one end 0.780 in. Deep by 0.225 in. Radius
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 5990-01-609-4793
NSN 5996-00-349-8885
NSN 5915-00-981-6719
NSN 4140-00-476-0672
NSN 5990-01-250-4198
NSN 5998-00-948-0343
NSN 6130-00-576-4867
NSN 5950-00-113-4398
NSN 6135-01-400-2947
NSN 5855-01-623-5575
NSN 5935-00-148-9730
NSN 6150-00-522-4909