Two grooves 1/2 in. Apart 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 6240-01-429-7830
NSN 6220-01-151-7037
NSN 6240-01-062-7922
NSN 6135-01-285-1925
NSN 5855-01-283-3730
NSN 5855-00-058-1293
NSN 5975-01-348-0627
NSN 4140-01-577-2737
NSN 6610-00-126-3021
NSN 5998-00-161-4228
NSN 5965-01-552-6545
NSN 5910-01-545-7722