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 5835-00-275-0584
NSN 6110-00-853-3103
NSN 6145-00-046-1810
NSN 5925-00-904-2962
NSN 5950-01-066-6615
NSN 5855-01-629-6198
NSN 2925-01-362-2515
NSN 5990-00-229-4647
NSN 5895-01-506-6420
NSN 6240-00-617-9599
NSN 6105-01-653-5697
NSN 4140-00-369-8053