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 5935-01-121-4031
NSN 4140-01-298-8193
NSN 6145-01-190-0382
NSN 6110-01-445-3072
NSN 5998-00-221-3216
NSN 5965-01-191-0735
NSN 6650-01-392-8086
NSN 5985-01-461-1594
NSN 5960-01-234-0926
NSN 5950-01-154-2158
NSN 5945-01-454-3523
NSN 5905-01-421-2691