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 5999-01-365-6600
NSN 6145-00-847-5388
NSN 5935-01-375-2756
NSN 5999-00-368-8428
NSN 5895-01-215-0413
NSN 5998-00-189-4673
NSN 4140-01-474-3813
NSN 5935-00-331-5166
NSN 6240-01-390-2597
NSN 7035-01-420-5404
NSN 4140-00-990-3093
NSN 5950-01-506-4694