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 5985-01-147-5470
NSN 5975-01-139-4958
NSN 5985-00-451-2118
NSN 6150-00-900-3018
NSN 6645-01-633-0303
NSN 5855-00-014-5008
NSN 5855-00-832-9341
NSN 5945-00-925-9992
NSN 6620-01-451-8989
NSN 6105-01-082-5504
NSN 5835-00-833-7080
NSN 6320-00-977-3930