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 6650-01-336-2866
NSN 5999-00-892-8653
NSN 6610-01-547-4728
NSN 6135-01-383-0151
NSN 5895-01-583-6461
NSN 5930-01-129-5987
NSN 6145-01-562-3451
NSN 5990-01-239-1474
NSN 5945-00-564-5449
NSN 5905-01-282-8176
NSN 5998-01-005-0310
NSN 6240-01-132-1634