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 6240-01-371-0978
NSN 6145-00-278-0697
NSN 5855-00-185-1560
NSN 6240-01-190-9523
NSN 6220-00-057-2236
NSN 5935-01-594-6299
NSN 5998-01-562-2607
NSN 6110-01-127-2852
NSN 6105-01-617-3751
NSN 5930-01-494-3481
NSN 5910-00-216-8081
NSN 6130-01-053-1660