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 6150-00-106-4134
NSN 6220-01-445-6575
NSN 6220-00-470-6828
NSN 6110-00-788-1521
NSN 5998-01-565-9150
NSN 5895-01-655-8168
NSN 6685-01-319-6680
NSN 6650-01-371-5886
NSN 6135-01-387-0754
NSN 5950-01-183-5375
NSN 5998-01-140-6437
NSN 6650-01-536-3977