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 5895-01-117-3179
NSN 6150-01-019-5734
NSN 5996-01-196-0017
NSN 5925-00-856-8103
NSN 6150-00-081-2063
NSN 5935-00-356-1664
NSN 5855-01-481-6280
NSN 2925-01-106-3552
NSN 5915-01-580-0308
NSN 5990-01-143-2518
NSN 5985-01-182-7437
NSN 5999-01-422-4506