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 6145-01-466-4371
NSN 4140-01-202-9563
NSN 5920-00-919-8520
NSN 5945-00-199-5984
NSN 5998-01-263-9242
NSN 5925-00-880-0235
NSN 6105-01-560-2697
NSN 5999-01-281-5593
NSN 5985-01-352-5696
NSN 6145-00-787-7313
NSN 7035-01-065-8703
NSN 5855-00-089-3974