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 5945-01-297-8575
NSN 6145-01-243-9547
NSN 5910-01-377-5279
NSN 5975-01-602-8181
NSN 5998-00-927-6431
NSN 5975-00-443-5625
NSN 6620-01-212-8089
NSN 5999-01-534-7364
NSN 5920-01-005-0161
NSN 7035-01-365-9610
NSN 6240-01-633-9357
NSN 7035-01-386-5722