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 5950-01-394-9659
NSN 6685-01-033-8006
NSN 6110-01-508-4968
NSN 5990-00-975-1055
NSN 5920-01-647-5869
NSN 5975-00-964-6673
NSN 6135-00-497-0491
NSN 6240-01-201-6965
NSN 5930-01-574-4418
NSN 5999-01-077-1529
NSN 5895-01-360-9929
NSN 6650-01-619-9986