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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5895-01-100-0281
NSN 5999-00-373-9339
NSN 5835-01-381-2683
NSN 5975-01-365-7589
NSN 5990-01-328-8225
NSN 5920-01-587-0928
NSN 5925-00-201-4895
NSN 5998-00-279-3407
NSN 5975-00-935-2293
NSN 5910-00-445-1020
NSN 5835-01-027-1828
NSN 5855-01-534-3724