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 6145-00-163-2861
NSN 4140-01-152-2672
NSN 5985-01-530-0768
NSN 5999-01-413-0704
NSN 5945-01-634-0588
NSN 5990-00-965-0495
NSN 5999-00-996-4835
NSN 5998-00-255-3631
NSN 6620-01-302-9729
NSN 5999-01-064-6612
NSN 5905-00-536-1056
NSN 6685-01-415-3117