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 4140-00-531-6696
NSN 5998-00-924-2947
NSN 5920-01-264-9259
NSN 6135-01-399-8230
NSN 5835-01-036-4951
NSN 5960-01-487-6436
NSN 6130-00-946-2607
NSN 6620-01-378-5579
NSN 4140-01-400-3610
NSN 5945-01-027-5716
NSN 6220-00-961-0783
NSN 5945-00-339-2755