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 5999-00-155-8066
NSN 6240-01-210-0164
NSN 6145-00-351-4539
NSN 5925-00-789-3718
NSN 5985-01-433-2833
NSN 6145-01-291-0809
NSN 5945-00-109-4504
NSN 5996-01-425-4228
NSN 4140-00-019-0928
NSN 6685-00-499-6451
NSN 5965-01-141-6485
NSN 6620-01-426-2220