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 5975-01-143-1269
NSN 5985-00-387-5974
NSN 5998-01-193-8940
NSN 5925-01-050-8410
NSN 6610-00-664-2190
NSN 5975-01-177-0208
NSN 6135-00-497-0491
NSN 5998-01-487-3540
NSN 5975-01-240-2432
NSN 5855-00-110-9341
NSN 5950-01-581-1221
NSN 2925-01-429-2235