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 5998-01-509-6216
NSN 5998-01-403-2586
NSN 6650-01-655-9456
NSN 5835-01-632-6627
NSN 5935-01-112-3184
NSN 7035-00-763-6180
NSN 6650-01-611-8539
NSN 5998-00-381-9720
NSN 5920-01-060-9302
NSN 6150-01-064-0131
NSN 5998-01-529-3690
NSN 6240-01-244-2761