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 5950-01-251-7637
NSN 5905-00-501-0472
NSN 2925-01-121-3355
NSN 6650-01-189-7040
NSN 5835-00-104-2511
NSN 6130-01-364-1750
NSN 6150-00-281-3447
NSN 6150-01-211-6659
NSN 5915-01-445-3415
NSN 4140-00-732-5444
NSN 5930-00-723-6354
NSN 5990-01-191-9624