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 6220-01-182-8196
NSN 6685-00-069-9959
NSN 6240-00-952-4501
NSN 6130-01-634-0603
NSN 6620-00-856-5434
NSN 6240-01-299-6407
NSN 5855-01-020-7982
NSN 5996-01-325-1664
NSN 7035-00-782-7046
NSN 5950-01-380-4658
NSN 4140-00-618-8855
NSN 5930-00-829-3761