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 6150-00-293-5293
NSN 6240-00-440-3656
NSN 6320-01-170-0708
NSN 5999-01-496-4033
NSN 6150-00-354-7151
NSN 5915-01-368-1168
NSN 5975-01-283-8831
NSN 5920-01-147-4903
NSN 2925-01-399-2765
NSN 5855-01-302-9778
NSN 6610-01-033-1748
NSN 5905-01-319-7440