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 5999-00-675-4628
NSN 5950-01-318-2421
NSN 6240-00-117-9957
NSN 5920-01-373-1018
NSN 5996-00-149-1287
NSN 5965-00-603-4983
NSN 5990-01-434-3469
NSN 6610-01-338-8531
NSN 5960-00-269-4762
NSN 5960-01-537-8161
NSN 5990-01-652-7373
NSN 6145-01-388-0759