External threads are 7/8-9 unc-2a
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 6320-00-701-0437
NSN 5975-00-212-7754
NSN 4140-01-516-3769
NSN 6320-00-841-2279
NSN 6220-00-647-3096
NSN 5915-00-874-7735
NSN 5965-01-540-6454
NSN 6650-01-615-0788
NSN 5945-01-528-9418
NSN 6610-00-694-2071
NSN 6240-01-425-1545
NSN 6135-00-777-5562