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 6240-00-201-9011
NSN 6650-00-304-6987
NSN 5915-01-050-4947
NSN 5996-01-099-6703
NSN 5920-01-429-2649
NSN 5965-00-335-0305
NSN 5835-00-137-5093
NSN 6645-01-595-4323
NSN 6320-00-593-0379
NSN 5835-01-160-7282
NSN 5998-01-248-0322
NSN 5895-00-476-5633