2a and b8
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 5975-01-167-8598
NSN 2925-00-461-4954
NSN 6620-01-323-7620
NSN
NSN 5950-01-023-5980
NSN 5895-01-416-6243
NSN 5998-00-278-9612
NSN 6150-01-468-9983
NSN 6105-01-437-6242
NSN 5855-01-278-8922
NSN 5930-00-886-8487
NSN 5935-01-279-0194