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 6220-00-152-7114
NSN 6220-00-419-0635
NSN 6150-01-453-7519
NSN 6110-01-063-3441
NSN 6620-00-186-8220
NSN 5935-00-020-2954
NSN 5965-01-399-8454
NSN 5930-01-363-9996
NSN 5950-00-429-9992
NSN 5990-01-595-9441
NSN 5975-01-070-2713
NSN 6685-01-265-8724