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 7035-01-320-7453
NSN 5975-00-350-9289
NSN 6650-01-512-1930
NSN 5945-01-415-1796
NSN 6105-00-216-8866
NSN 5950-01-323-5364
NSN 6645-01-235-1601
NSN 2925-01-588-3507
NSN 6240-01-046-4363
NSN 5996-01-184-9442
NSN 5998-00-494-2945
NSN 5925-01-306-2719