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 5990-01-503-9804
NSN 6105-01-451-4327
NSN 6620-01-508-1996
NSN 5960-01-641-5493
NSN 6130-00-392-5990
NSN 6145-01-386-4299
NSN 6110-00-170-6520
NSN 6645-01-308-9349
NSN 5855-00-631-4565
NSN 5985-01-237-5344
NSN 2925-01-575-1505
NSN 6105-00-919-0017