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 6620-01-423-5875
NSN 6685-01-115-3953
NSN 6650-00-187-5388
NSN 6685-00-521-0656
NSN 5950-01-495-0624
NSN 5996-01-604-9653
NSN 6145-00-971-8284
NSN 5930-01-485-2415
NSN 5990-01-452-0911
NSN 6610-01-257-5808
NSN 6220-01-300-9448
NSN 5998-00-417-9753