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 6145-01-411-4757
NSN 6650-01-548-7915
NSN 6685-01-106-3210
NSN 2925-01-004-5627
NSN 5910-00-706-9389
NSN 4140-00-508-3206
NSN 6240-00-591-6836
NSN 5999-01-218-3075
NSN 6645-01-549-0935
NSN 6650-00-734-3985
NSN 6130-01-327-3261
NSN 5935-00-598-1235