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 5945-01-467-9234
NSN 6645-01-283-3181
NSN 5935-01-372-2734
NSN 5999-01-087-1807
NSN 5998-00-252-8380
NSN 5990-01-069-0365
NSN 5985-01-268-5878
NSN 6110-01-184-7468
NSN 5996-01-500-6644
NSN 6110-00-297-5768
NSN 5855-01-260-3693
NSN 6135-00-405-1989