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 6110-00-238-9636
NSN 5925-00-353-0612
NSN 5930-01-082-5145
NSN 5998-01-192-4162
NSN 5915-00-361-9148
NSN 5905-00-957-6053
NSN 6685-00-331-1611
NSN 6685-01-504-7777
NSN 6320-00-242-3300
NSN 6105-01-101-0233
NSN 5965-01-418-1760
NSN 5945-00-466-3748