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 6240-00-050-4522
NSN 6135-01-620-8216
NSN 6135-01-340-9731
NSN 6145-00-054-8957
NSN 5965-01-155-3131
NSN 5998-00-088-8479
NSN 5905-01-231-9330
NSN 4140-01-095-4149
NSN 6320-00-553-8427
NSN 6135-00-497-0491
NSN 5835-01-293-6406
NSN 5960-00-431-5263