No. 28 drill thru, tap 8-32
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 6240-01-643-1262
NSN 6145-00-050-9919
NSN 5895-00-826-2988
NSN 5985-00-728-5562
NSN 5998-01-100-3919
NSN 5920-00-583-8674
NSN 6145-01-391-5518
NSN 5960-01-439-3731
NSN 5915-01-449-5391
NSN 5915-00-994-0541
NSN 5835-01-422-7393
NSN 6220-00-515-6998