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 5915-01-413-4784
NSN 6135-01-278-9717
NSN 6320-01-054-3046
NSN 6320-00-676-9387
NSN 6135-00-134-6648
NSN 5910-01-383-5896
NSN 6130-00-960-9158
NSN 5835-00-740-0246
NSN 7035-01-596-5381
NSN 6110-00-269-2696
NSN 5910-00-637-2609
NSN 5990-01-582-3671