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 5895-01-463-6443
NSN 6145-00-798-4831
NSN 5960-00-850-8896
NSN 5935-01-367-2245
NSN 5855-00-252-5743
NSN 6650-01-554-7322
NSN 5999-01-083-6315
NSN 6110-01-441-1623
NSN 5990-00-244-8442
NSN 6650-01-310-2525
NSN 6685-01-120-2839
NSN 6135-01-068-0119