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 6220-01-063-9322
NSN 6150-00-339-2965
NSN 5985-01-328-0442
NSN 6135-01-079-7852
NSN 4140-00-526-4505
NSN 6685-01-023-0640
NSN 5930-01-230-5616
NSN 5855-01-258-5161
NSN 6220-01-075-3506
NSN 5910-01-632-1370
NSN 5930-01-351-9916
NSN 5990-00-106-6609