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 6220-01-384-0399
NSN 6645-00-920-8690
NSN 5990-01-386-5561
NSN 5975-01-446-1759
NSN 5998-01-270-6349
NSN 7035-01-382-4413
NSN 2925-01-183-2897
NSN 5835-01-155-0786
NSN 6130-01-609-8124
NSN 6240-01-385-9675
NSN 5835-01-457-5630
NSN 5965-01-240-0233