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 5998-01-181-5312
NSN 5920-00-350-6941
NSN 5835-00-543-1325
NSN 5965-01-330-6807
NSN 5920-00-543-9714
NSN 5905-00-890-9728
NSN 6105-01-044-5907
NSN 6135-00-930-5372
NSN 5945-01-363-9817
NSN 5996-00-071-8966
NSN 5960-00-521-0221
NSN 5855-00-149-0766