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 5990-01-364-1942
NSN 6150-00-216-8960
NSN 5990-01-504-9265
NSN 5985-00-676-4852
NSN 5925-00-025-6005
NSN 6105-01-135-1956
NSN 5905-01-054-4081
NSN 5920-01-482-0132
NSN 5910-01-169-6396
NSN 6150-00-335-7189
NSN 6685-01-006-3592
NSN 5960-00-665-5180