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 7035-01-502-6764
NSN 6240-01-356-8144
NSN 6650-00-279-5741
NSN 5990-01-027-1869
NSN 6650-01-528-0538
NSN 5895-00-354-1614
NSN 6130-01-267-9829
NSN 6105-00-369-1143
NSN 5985-00-403-7964
NSN 5960-00-988-5737
NSN 5920-00-365-4589
NSN 5930-01-530-7327