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 5990-00-269-2226
NSN 5925-01-416-5603
NSN 5920-01-535-6498
NSN 6620-00-152-7210
NSN 6685-01-623-3678
NSN 5925-01-200-9321
NSN 5915-01-248-5536
NSN 6110-00-209-7241
NSN 5985-01-550-9841
NSN 5998-01-072-2120
NSN 6150-00-107-2354
NSN 5945-00-276-9274