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 5855-01-408-3154
NSN 5910-01-378-7026
NSN 5990-01-110-8979
NSN 5920-01-124-8389
NSN 5990-00-170-4239
NSN 7035-01-065-3744
NSN 6645-01-356-1179
NSN 6220-00-776-2614
NSN 5935-00-864-2277
NSN 5990-01-411-8548
NSN 6645-00-813-3084
NSN 5855-01-163-8152