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 5835-01-412-0344
NSN 5945-01-569-1516
NSN 5920-01-631-4009
NSN 5915-01-521-4758
NSN 6685-01-339-8788
NSN 4140-01-478-5734
NSN 5920-01-485-5148
NSN 5996-01-079-7914
NSN 5985-00-170-4156
NSN 6135-01-502-5787
NSN 4140-01-632-6958
NSN 6105-00-183-9019