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 5975-01-360-6484
NSN 5855-01-634-0259
NSN 6610-01-023-1812
NSN 6645-00-171-9639
NSN 6220-01-656-8658
NSN 5950-01-571-8560
NSN 6135-01-236-8603
NSN 4140-00-078-9357
NSN 5999-01-274-6623
NSN 5935-00-477-7753
NSN 6220-00-951-6900
NSN 6145-01-629-9381