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 6240-01-445-8011
NSN 5985-01-303-5351
NSN 5895-01-530-9440
NSN 6110-01-268-1723
NSN 5960-01-512-0233
NSN 6650-01-372-6013
NSN 5965-00-529-0602
NSN 5855-01-054-9014
NSN 6320-00-886-9771
NSN 6645-01-045-4088
NSN 6135-01-604-8739
NSN 6145-01-028-9984