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 5965-01-103-0398
NSN 6150-01-246-3339
NSN 5990-00-779-6844
NSN 5965-01-524-5310
NSN 6650-00-518-2962
NSN 6320-01-521-1764
NSN 5920-01-626-5520
NSN 7035-00-104-7613
NSN 5930-01-127-8640
NSN 6685-00-269-4895
NSN 6105-00-553-8943
NSN 5895-00-977-7508