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 4140-00-572-5777
NSN 6150-00-407-2118
NSN 6150-00-364-1948
NSN 5920-00-661-0840
NSN 6240-01-499-9150
NSN 5996-01-050-6910
NSN 5998-01-442-8318
NSN 6105-01-528-8027
NSN 6135-00-057-2005
NSN 5960-01-058-6272
NSN 6610-01-499-7366
NSN 5905-01-097-0320