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 5950-01-211-1860
NSN 4140-01-417-7552
NSN 6240-01-526-7811
NSN 6645-01-495-0939
NSN 6145-00-912-2616
NSN 5975-01-091-8621
NSN 5855-00-004-0904
NSN 6220-01-386-4370
NSN 6135-01-252-0315
NSN 5945-01-585-7873
NSN 6650-00-917-0436
NSN 4140-00-490-2666