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 5920-00-908-1929
NSN 5975-01-410-8591
NSN 6650-00-618-1118
NSN 5996-00-553-7348
NSN 6110-01-019-7987
NSN 5855-00-150-1820
NSN 5990-00-927-6956
NSN 5855-00-922-6459
NSN 2925-01-355-5280
NSN 5915-01-258-4911
NSN 7035-00-541-8516
NSN 5960-01-411-5217