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 5905-00-081-3145
NSN 5990-00-253-6694
NSN 5990-01-400-2195
NSN 6150-00-596-8766
NSN 6620-00-698-6700
NSN 7035-00-803-3056
NSN 5930-01-375-0517
NSN 7035-00-481-5182
NSN 5998-00-204-6452
NSN 6135-01-616-4950
NSN 6150-00-387-3045
NSN 6135-00-152-8729