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 6685-01-345-9747
NSN 6110-01-512-8742
NSN 6645-01-211-6502
NSN 6110-01-531-1906
NSN 5835-00-170-5238
NSN 6240-00-771-2263
NSN 4140-01-365-6769
NSN 5855-00-455-6070
NSN 5920-00-170-4247
NSN 4140-01-104-4727
NSN 6685-01-656-0538
NSN 6610-00-876-9753