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 5950-00-899-5784
NSN 4140-01-399-3027
NSN 5990-00-519-9974
NSN 5855-00-198-3197
NSN 6135-01-415-1163
NSN 6240-00-021-1296
NSN 6145-01-269-1438
NSN 6650-01-239-6241
NSN 5990-01-206-3606
NSN 4140-00-034-7935
NSN 5895-01-116-8237
NSN 6685-01-408-5086