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 5945-00-165-3878
NSN 6240-01-041-5894
NSN 6620-01-275-9777
NSN 5835-01-297-1909
NSN 5950-00-258-6776
NSN 5990-01-378-7349
NSN 5920-00-658-7219
NSN 2925-01-084-3347
NSN 5950-00-553-3870
NSN 5996-01-237-3757
NSN 5835-01-408-0621
NSN 6240-01-321-1462