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 6240-01-400-4212
NSN 4140-00-078-9357
NSN 5998-00-999-5660
NSN 5910-01-250-5241
NSN 5950-01-262-1673
NSN 5925-00-056-0898
NSN 6645-01-392-9615
NSN 6145-01-634-0388
NSN 5905-00-186-8947
NSN 5905-01-349-0205
NSN 6130-00-571-7625
NSN 6685-00-870-0057