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 6220-00-157-1589
NSN 6150-00-369-0376
NSN 6110-01-235-8282
NSN 5935-01-425-1635
NSN 5998-01-322-7979
NSN 6645-01-545-7411
NSN 6220-01-450-3264
NSN 5945-01-573-5746
NSN 6645-01-608-1134
NSN 5985-01-406-7691
NSN 5930-01-558-9491
NSN 6685-01-268-1724