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 5920-01-303-6841
NSN 5950-01-592-9338
NSN 5999-00-607-1056
NSN 5920-01-560-4200
NSN 4140-00-168-1920
NSN 6240-00-271-5995
NSN 5985-00-998-1878
NSN 6135-00-851-8575
NSN 6130-01-111-2234
NSN 5905-00-358-1512
NSN 6610-01-233-0949
NSN 6620-01-440-9810