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 6645-00-171-9639
NSN 5925-00-180-3248
NSN 6650-01-179-3823
NSN 5998-01-215-0979
NSN 6135-01-373-2518
NSN 5990-01-344-7778
NSN 6650-00-419-4863
NSN 5950-01-463-9075
NSN 5965-01-259-8810
NSN 5930-00-302-5293
NSN 5915-00-206-0086
NSN 6610-00-105-3061