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 5975-01-254-9573
NSN 6685-01-642-1571
NSN 5960-00-701-2179
NSN 6150-00-938-1543
NSN 6150-00-753-3950
NSN 5945-00-289-3715
NSN 6105-00-405-5850
NSN 5975-01-103-3912
NSN 5910-01-229-4670
NSN 5985-00-695-1924
NSN 6220-01-505-3391
NSN 6320-01-512-2031