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 6610-00-584-5055
NSN 6105-01-529-2134
NSN 5985-01-207-8891
NSN 6650-01-506-4742
NSN 5905-00-229-4658
NSN 5930-01-044-0512
NSN 6320-01-191-6717
NSN 6135-00-603-4859
NSN 6620-01-490-5664
NSN 5915-01-437-8858
NSN 5935-01-502-2962
NSN 5998-00-161-4228