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 6240-00-416-6140
NSN 6105-01-067-7197
NSN 5998-00-862-6396
NSN 5930-00-904-8092
NSN 5895-01-185-5008
NSN 5975-01-063-4101
NSN 6130-01-187-6711
NSN 5965-00-422-5415
NSN 5915-01-143-8953
NSN 5910-01-396-6948
NSN 6105-01-619-7728
NSN 6135-00-203-9645