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 6620-01-519-2628
NSN 5935-01-399-8655
NSN 5990-00-356-8911
NSN 5945-00-244-8430
NSN 6240-00-185-8367
NSN 6685-00-177-5006
NSN 6145-00-317-2087
NSN 6320-01-111-8851
NSN 5835-01-368-4015
NSN 5835-01-566-5462
NSN 6220-00-573-5747
NSN 5930-01-327-6721