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 6620-01-367-2597
NSN 5985-00-279-8507
NSN 5935-01-310-1556
NSN 6130-01-060-0329
NSN 6320-00-433-2773
NSN 5930-01-527-5061
NSN 6645-00-216-6126
NSN 5920-00-858-8619
NSN 5985-00-264-7506
NSN 5915-01-496-4687
NSN 7035-00-329-4015
NSN 6645-01-329-0871