A nut, flat on top and bottom, having eight flat sides. It may include a retaining dowel pin. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).
NSN 5905-00-255-7309
NSN 5990-01-272-4091
NSN 6645-00-787-2673
NSN 5905-01-524-9663
NSN 6320-00-115-0883
NSN 5998-01-212-3123
NSN 5999-00-149-0624
NSN 6105-01-199-1796
NSN 6130-00-816-7981
NSN 6620-00-119-2803
NSN 5905-01-351-5247
NSN 5935-01-518-8537