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 6220-00-156-4469
NSN 5855-01-479-8598
NSN 5915-00-528-1192
NSN 6240-01-123-9040
NSN 6110-01-352-4891
NSN 6150-00-827-0081
NSN 6110-01-139-2182
NSN 5935-01-350-8497
NSN 5965-01-399-8454
NSN 6650-01-021-2436
NSN 5905-01-116-3520
NSN 5915-00-182-8068