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 6650-01-429-4796
NSN 5965-01-378-1393
NSN 5965-00-136-4178
NSN 6110-01-223-3768
NSN 5985-00-599-8114
NSN 6650-01-388-4363
NSN 6130-01-088-0566
NSN 5990-00-164-1677
NSN 5895-00-545-8723
NSN 6150-01-576-9332
NSN 6135-00-500-2082
NSN 5990-01-426-7350