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 6135-00-248-4102
NSN 6320-01-243-2276
NSN 5910-00-187-6646
NSN 4140-01-267-3253
NSN 6110-00-369-8499
NSN 2925-00-419-5868
NSN 5945-01-036-0435
NSN 5920-00-732-6763
NSN 6610-00-435-1493
NSN 5895-00-160-7660
NSN 5855-01-222-1242
NSN 5960-01-495-0859