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 2925-01-426-3410
NSN 6320-00-228-5678
NSN 4140-01-325-2955
NSN 5950-01-213-1916
NSN 5999-01-478-9475
NSN 5975-01-657-4892
NSN 5945-00-607-4448
NSN 5905-00-274-3789
NSN 5990-00-288-1820
NSN 5930-00-734-1148
NSN 5996-01-212-9866
NSN 6130-01-224-7954