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 5998-01-025-8725
NSN 5920-00-555-1877
NSN 6645-01-400-1137
NSN 5998-00-690-9973
NSN 5915-00-735-5195
NSN 5855-01-255-1688
NSN 5999-01-599-6676
NSN 6610-01-034-0798
NSN 5990-01-097-4721
NSN 6610-00-225-9886
NSN 5905-00-802-7952
NSN 5905-01-415-1529