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 5855-01-340-6541
NSN 6645-01-479-5364
NSN 5930-01-490-2537
NSN 5930-01-099-0850
NSN 6135-01-391-6515
NSN 5945-00-271-3216
NSN 6610-01-112-0447
NSN 5998-01-231-9464
NSN 5950-01-273-3165
NSN 5960-00-279-1993
NSN 6105-01-415-5973
NSN 5935-01-471-4132