Shaft helm main shaft helm unit
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 7035-00-205-1932
NSN 6685-01-186-4838
NSN 6320-01-585-8468
NSN 6650-01-193-3068
NSN 5990-00-932-3070
NSN 6220-01-244-2411
NSN 6105-01-294-9019
NSN 5998-00-449-1663
NSN 5855-00-610-4052
NSN 6130-01-347-3620
NSN 6685-00-559-2742
NSN 5950-00-843-7511