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 4140-00-248-6089
NSN 5910-01-167-1583
NSN 5985-01-265-8138
NSN 6685-00-688-3998
NSN 5920-01-396-6159
NSN 5855-01-045-9728
NSN 5855-01-381-6052
NSN 6620-01-231-4208
NSN 5999-01-478-6885
NSN 5998-01-605-1775
NSN 5935-01-383-2798
NSN 6240-00-555-6347