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 6610-01-241-9120
NSN 6685-01-458-8001
NSN 5925-00-233-7523
NSN 6135-00-315-1187
NSN 5950-00-369-7665
NSN 4140-00-956-9225
NSN 5975-00-297-3940
NSN 4140-01-457-0942
NSN 5945-01-620-2424
NSN 5985-01-453-2677
NSN 6135-01-231-4809
NSN 6150-01-173-5949