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 5965-01-309-4368
NSN 6620-01-329-7510
NSN 5999-00-400-4194
NSN 6150-00-141-8793
NSN 7035-01-026-1171
NSN 7035-01-658-1623
NSN 7035-01-107-2811
NSN 6145-01-629-9381
NSN 5925-01-411-6028
NSN 6685-00-756-9537
NSN 5835-01-436-1797
NSN 6610-01-213-5782