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 5855-01-003-7102
NSN 5855-00-560-0110
NSN 5950-00-106-8954
NSN 5835-01-376-8454
NSN 5945-00-960-7367
NSN 6220-01-055-4932
NSN 5920-00-868-2460
NSN 6620-00-959-6614
NSN 5835-01-515-6537
NSN 5855-01-386-7323
NSN 5975-01-507-0227
NSN 5950-01-298-3382