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 6650-01-428-9958
NSN 5985-01-158-5152
NSN 6320-01-098-2503
NSN 5960-01-423-4240
NSN 6220-01-512-2028
NSN 6220-00-138-5969
NSN 6220-00-905-1272
NSN 6105-00-844-3972
NSN 6105-01-219-7001
NSN 5965-01-317-6077
NSN 5915-00-936-1424
NSN 2925-01-415-0264