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 6645-00-450-2209
NSN 6685-01-415-3117
NSN 6620-01-406-3584
NSN 6645-00-559-3623
NSN 5985-00-355-2867
NSN 6135-00-152-8729
NSN 5990-01-386-5561
NSN 6645-01-042-4220
NSN 5998-01-441-9520
NSN 5835-01-242-9806
NSN 5960-01-293-4536
NSN 5996-01-604-8629