Hole is 20unf-2b threaded left hand with 0.620 in. Wide square cut outs on both ends
A headless, cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod, straight, headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin, straight, threaded.
Classification: Pins of iron or steel nesoi
NSN 5950-01-593-2579
NSN 5975-01-365-0127
NSN 6220-01-400-2108
NSN 5915-00-929-0847
NSN 6620-01-439-9471
NSN 5915-00-989-9632
NSN 5935-01-444-6030
NSN 2925-00-866-7311
NSN 5855-01-159-1654
NSN 2925-00-934-8383
NSN 6620-00-596-1951
NSN 5905-00-329-3785