Splined shaft has groove towards center for retaining ring; nha p/n 000993-157; reference t.O. 35d5-3-8-41 wp998 00 fig 6 ind 10
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 6145-00-648-2726
NSN 6150-01-435-4483
NSN 6150-01-421-0069
NSN 6145-01-325-6786
NSN 5965-01-472-3664
NSN 5945-01-461-0804
NSN 6685-01-514-1885
NSN 5910-01-290-4421
NSN 6145-01-263-9062
NSN 6150-01-634-0575
NSN 4140-00-518-2744
NSN 6150-00-220-2420