A nut, flat on top and bottom, having 4 flat sides. 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.)
Classification: Nuts of iron or steel
NSN 6320-01-246-4390
NSN 5855-01-512-1926
NSN 7035-00-205-8739
NSN 6620-00-555-3992
NSN 5965-00-011-3639
NSN 5895-01-131-2666
NSN 6650-00-005-6649
NSN 5855-01-475-8335
NSN 6645-01-144-8627
NSN 6110-00-141-1966
NSN 5930-00-036-0381
NSN 5999-01-525-7937