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 5990-01-457-8795
NSN 5835-00-703-3601
NSN 6130-00-470-2698
NSN 5996-00-383-6173
NSN 5965-00-532-3284
NSN 6135-01-273-1253
NSN 5935-01-425-1097
NSN 5999-01-114-5899
NSN 6620-01-104-5510
NSN 6645-01-366-4344
NSN 6645-01-653-7762
NSN 5925-01-125-4368