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 5998-01-019-4625
NSN 5945-00-610-3225
NSN 5855-00-114-4954
NSN 6320-01-374-9924
NSN 5960-01-056-4982
NSN 5990-00-876-0576
NSN 5945-01-640-7097
NSN 6130-00-299-6920
NSN 5910-01-348-1294
NSN 5835-00-529-6307
NSN 6645-00-674-9728
NSN 5950-01-318-0799