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 5950-01-077-0488
NSN 6220-01-270-6070
NSN 5895-01-174-9168
NSN 4140-01-448-9725
NSN 2925-01-625-6841
NSN 5999-01-505-3119
NSN 6650-01-484-2136
NSN 5905-00-938-3528
NSN 5945-01-196-4079
NSN 6645-01-067-4393
NSN 5996-01-174-7526
NSN 6610-00-241-0742