L2 flatted surfaces 180 degrees apart 0.375 in. W, 0.937 in. Lg, 1.750 in. From first end, 2 flatted surfaces parallel and 0.312 in. From other flatted surfaces 0.375 in. W, 0.937 in. Lg, flats are 90 degrees from flatted end
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 5985-00-839-7653
NSN 5895-01-403-2793
NSN 6610-00-801-4652
NSN 5915-01-158-4425
NSN 6150-01-057-8918
NSN 5965-01-245-1552
NSN 5855-01-093-8202
NSN 5910-01-147-6084
NSN 5960-01-632-6576
NSN 6320-01-190-1397
NSN 6110-01-144-0386
NSN 5930-01-531-1872