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 6685-01-352-5665
NSN 5996-01-473-0817
NSN 5915-01-105-1960
NSN 5996-01-445-5528
NSN 6645-01-132-1862
NSN 5910-00-879-5015
NSN 6320-00-459-8973
NSN 5990-01-024-9659
NSN 5855-01-135-9664
NSN 5960-00-229-5121
NSN 4140-00-617-0984
NSN 5905-01-609-6058