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 6240-00-218-1480
NSN 6320-00-937-5625
NSN 5935-00-856-2689
NSN 6685-01-165-6997
NSN 7035-01-017-2702
NSN 6320-01-036-2598
NSN 5895-01-531-1557
NSN 5999-01-322-1042
NSN 4140-01-362-9957
NSN 5960-00-786-7967
NSN 5965-01-264-8761
NSN 5990-01-591-8797