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 6685-00-272-7659
NSN 5935-01-256-1117
NSN 5985-00-466-3574
NSN 6135-01-010-0891
NSN 4140-00-332-5956
NSN 6240-01-436-9132
NSN 5960-01-161-7240
NSN 6110-00-437-7877
NSN 5895-01-013-3855
NSN 6320-00-405-2348
NSN 6130-01-587-1468
NSN 6145-01-038-4873