1/4-28 nf-2 threads both ends
No other part numbers with same form, fit, and function found.
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 5960-01-502-6270
NSN 5945-00-264-6302
NSN 2925-01-565-6410
NSN 5930-01-130-5602
NSN 5985-01-620-0263
NSN 5855-01-496-4105
NSN 6240-00-226-3130
NSN 5930-01-070-0672
NSN 5855-01-317-5354
NSN 5990-01-417-4402
NSN 6130-01-230-1503
NSN 5975-01-278-6576