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 6620-00-475-9985
NSN 6320-00-036-3688
NSN 5996-01-375-0357
NSN 5965-01-609-6324
NSN 5855-01-398-4965
NSN 7035-01-125-7357
NSN 5920-00-487-4256
NSN 6685-01-455-6688
NSN 5855-01-575-4813
NSN 6685-01-614-5564
NSN 5960-01-425-1454
NSN 5855-01-040-3881