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 5910-00-368-4108
NSN 5998-01-279-2885
NSN 6240-00-466-0703
NSN 6610-00-855-2821
NSN 5945-01-411-7660
NSN 2925-01-184-5201
NSN 4140-01-454-5015
NSN 6645-01-627-8040
NSN 5915-01-497-9945
NSN 6110-01-440-2566
NSN 5945-00-372-3586
NSN 6685-01-570-2619