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 5960-01-281-5437
NSN 4140-01-150-7550
NSN 5930-01-309-2984
NSN 5998-01-150-8286
NSN 5855-01-229-3864
NSN 5996-00-336-3046
NSN 5945-00-526-0310
NSN 5895-01-313-3759
NSN 6240-00-383-7668
NSN 5895-00-171-0412
NSN 6650-01-418-0790
NSN 5998-01-035-1671