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 6645-01-531-1070
NSN 6620-01-463-1373
NSN 2925-00-436-3527
NSN 6685-00-663-9000
NSN 5950-01-203-4733
NSN 5999-01-618-4136
NSN 5915-00-768-5217
NSN 6150-01-179-4278
NSN 5925-01-202-4332
NSN 5960-01-328-8248
NSN 5998-01-167-7535
NSN 5960-00-824-0052