On leading edge drive system, has a critical stress diameter and must be protected
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 5920-01-182-1545
NSN 6620-01-043-6424
NSN 5835-01-107-8600
NSN 5855-01-290-3248
NSN 5855-01-020-7982
NSN 5930-01-641-0836
NSN 6320-01-536-3077
NSN 6110-01-595-2962
NSN 6620-01-451-3742
NSN 5925-01-050-8410
NSN 5915-01-106-3705
NSN 6150-00-882-1022