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 5910-01-593-2180
NSN 5930-01-634-0659
NSN 6135-01-134-7222
NSN 5945-00-618-0199
NSN 5945-01-177-5201
NSN 5975-01-188-2787
NSN 6105-01-614-2535
NSN 4140-01-311-8812
NSN 6150-01-058-3570
NSN 6320-00-405-2348
NSN 5835-01-472-4856
NSN 6105-01-202-8878