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 5905-01-044-6469
NSN 6650-00-007-4372
NSN 6150-01-412-4817
NSN 5960-00-121-9926
NSN 5930-01-090-3493
NSN 5935-01-547-4316
NSN 5965-01-271-0808
NSN 6150-01-058-7416
NSN 2925-00-735-4979
NSN 6150-00-291-8319
NSN 5950-01-391-5647
NSN 6650-01-364-1313