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 5998-00-078-1389
NSN 5915-01-483-5125
NSN 5925-00-915-1204
NSN 6105-01-136-4472
NSN 5935-00-466-3571
NSN 6130-01-378-2438
NSN 5905-01-199-2661
NSN 5920-01-253-2173
NSN 4140-00-264-5796
NSN 5920-00-038-6892
NSN 5998-00-373-2560
NSN 6320-01-290-5271