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 6110-01-471-0388
NSN 6130-01-557-3311
NSN 5985-01-475-0472
NSN 6110-00-383-5367
NSN 6145-01-477-6293
NSN 6145-01-634-0388
NSN 6150-01-492-4263
NSN 5998-01-372-9497
NSN 5965-00-079-2360
NSN 6220-01-409-1585
NSN 5965-01-178-7853
NSN 5965-01-042-2001