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 5990-01-386-5561
NSN 6150-01-323-6378
NSN 6130-00-566-0347
NSN 5998-00-050-9370
NSN 6150-01-273-1891
NSN 6650-01-234-7012
NSN 5920-01-534-7866
NSN 5998-01-152-2248
NSN 5950-01-417-2883
NSN 7035-01-363-2748
NSN 5895-01-021-6457
NSN 5999-01-359-3153