A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. 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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5855-00-361-0167
NSN 5925-01-575-5808
NSN 5990-00-988-4406
NSN 5985-00-995-9704
NSN 5996-01-432-3842
NSN 4140-00-643-3744
NSN 5975-00-472-7778
NSN 5905-00-522-6225
NSN 5835-01-132-7972
NSN 6150-01-223-4077
NSN 5975-00-388-9589
NSN 5835-00-859-8330