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 6240-00-560-5426
NSN 6150-01-151-5196
NSN 6130-01-265-7225
NSN 4140-00-818-5734
NSN 6145-01-605-4451
NSN 5920-00-187-0260
NSN 5895-00-115-5876
NSN 6145-01-056-5171
NSN 5999-01-065-2179
NSN 6240-00-459-5367
NSN 6110-00-993-0102
NSN 6620-00-226-2285