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 5945-00-396-3403
NSN 5999-01-230-7606
NSN 5930-01-023-1455
NSN 6130-01-053-1660
NSN 6320-01-521-1764
NSN 6320-00-908-6841
NSN 6135-01-032-8887
NSN 5835-00-859-8330
NSN 5835-01-509-8992
NSN 6645-01-273-2462
NSN 6135-01-642-6830
NSN 5950-00-540-9283