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 5999-01-418-1538
NSN 6110-01-298-6331
NSN 6135-00-840-6451
NSN 5925-01-567-8795
NSN 7035-01-423-8343
NSN 6110-00-983-5927
NSN 5855-00-149-0766
NSN 6150-00-539-9812
NSN 6650-01-197-4585
NSN 2925-01-509-3783
NSN 5895-00-335-7443
NSN 5945-01-287-4285