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 6620-01-378-5579
NSN 5895-00-623-2281
NSN 5855-00-832-9341
NSN 5925-01-532-8894
NSN 6320-01-585-8468
NSN 4140-01-454-9239
NSN 5996-00-081-2564
NSN 6105-01-521-2593
NSN 5920-01-464-1093
NSN 7035-01-313-6973
NSN 5975-01-523-5623
NSN 4140-01-481-4237