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 5915-01-644-0912
NSN 5990-01-485-6495
NSN 5920-01-329-1113
NSN 5905-01-528-2755
NSN 6650-01-352-4674
NSN 5930-01-074-7520
NSN 5935-00-284-7522
NSN 5925-01-191-9854
NSN 6145-01-421-5109
NSN 5945-00-552-4564
NSN 5905-00-679-2652
NSN 5950-01-302-2040