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 5895-01-173-3142
NSN 6620-01-456-0529
NSN 5835-00-707-6266
NSN 5985-01-528-6621
NSN 5996-01-163-1768
NSN 7035-01-293-3431
NSN 5960-01-033-8015
NSN 2925-00-265-7539
NSN 5965-01-262-3513
NSN 5935-00-550-1340
NSN 5960-01-180-2776
NSN 6110-01-419-7612