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 4140-01-602-8454
NSN 5960-01-212-4227
NSN 6240-00-010-1124
NSN 5855-01-455-3317
NSN 6105-00-721-2433
NSN 6650-00-539-7298
NSN 5975-00-756-8311
NSN 5895-01-426-8942
NSN 6110-01-157-2520
NSN 5905-00-648-2323
NSN 5985-01-010-4081
NSN 5998-01-093-8099