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 5965-01-162-8689
NSN 5905-01-144-2186
NSN 6650-01-618-4765
NSN 5855-01-450-8820
NSN 5965-01-406-4164
NSN 6685-01-360-4094
NSN 6130-00-437-6054
NSN 6135-00-110-1981
NSN 5975-01-553-6972
NSN 5965-01-306-6527
NSN 5990-01-213-6319
NSN 5915-01-538-7581