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 6645-01-561-8760
NSN 5835-01-370-8912
NSN 5915-01-518-9310
NSN 4140-01-592-4133
NSN 5990-01-493-4039
NSN 5855-00-361-0167
NSN 6220-01-416-8487
NSN 6110-01-497-6318
NSN 5965-01-351-6977
NSN 5996-01-616-4662
NSN 5965-00-493-6008
NSN 5920-01-304-9062