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 6620-01-290-0197
NSN 5935-01-576-9322
NSN 6105-00-506-2331
NSN 5855-01-432-6172
NSN 5950-01-428-7776
NSN 5985-00-780-7421
NSN 5855-01-029-8733
NSN 5910-01-607-7724
NSN 5985-01-408-4203
NSN 6110-00-908-7745
NSN 6650-01-371-9133
NSN 5990-00-165-9195