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 6105-01-314-9680
NSN 5855-01-531-7529
NSN 4140-01-646-8572
NSN 6650-01-374-4923
NSN 6610-00-235-9784
NSN 6320-01-484-7734
NSN 6650-00-318-6033
NSN 5990-01-337-4584
NSN 6145-01-156-5219
NSN 5999-01-166-4316
NSN 5835-01-580-0446
NSN 5855-00-189-6066