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 6610-00-126-6163
NSN 6620-00-202-5122
NSN 5920-00-764-8388
NSN 5905-01-577-0026
NSN 5985-00-378-0156
NSN 5855-01-580-8155
NSN 5915-01-053-6529
NSN 5998-01-239-7857
NSN 5920-01-075-9815
NSN 7035-01-075-8646
NSN 6685-01-542-1985
NSN 6240-01-280-5347