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 5855-01-203-4719
NSN 6135-01-116-3385
NSN 5960-01-411-5899
NSN 6685-01-142-8495
NSN 6130-01-517-1815
NSN 5998-00-872-4257
NSN 6150-00-814-5905
NSN 5930-01-197-0251
NSN 6645-01-243-3138
NSN 5985-00-186-0732
NSN 6650-01-025-7425
NSN 6685-00-651-4283