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 5915-01-279-4809
NSN 5990-01-443-2931
NSN 6610-01-575-2406
NSN 6620-00-451-8783
NSN 6220-01-322-0121
NSN 5925-00-762-2526
NSN 6110-01-348-2223
NSN 6110-00-260-0130
NSN 6650-00-195-7519
NSN 6320-01-476-7702
NSN 5975-01-003-8937
NSN 5945-01-157-9953