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 5996-01-600-5969
NSN 5895-01-627-6748
NSN 5925-01-046-0614
NSN 6320-01-622-5493
NSN 5910-01-381-9541
NSN 5996-00-513-0485
NSN 5990-00-288-1820
NSN 5935-00-039-8966
NSN 5950-01-572-4909
NSN 5910-01-478-1754
NSN 6685-00-301-4942
NSN 5855-01-335-8907