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 6240-01-419-1010
NSN 6130-00-255-5566
NSN 5965-01-408-0616
NSN 6645-01-598-3976
NSN 5950-01-237-2486
NSN 6105-01-401-5361
NSN 5915-00-242-1949
NSN 5985-01-425-8828
NSN 5950-01-460-5416
NSN 6320-01-129-9656
NSN 5855-01-177-4751
NSN 5999-01-147-5684