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 5915-01-480-9755
NSN 5998-01-552-6547
NSN 5935-01-425-1373
NSN 7035-01-633-9537
NSN 5855-00-482-9876
NSN 5920-00-532-1659
NSN 6610-01-281-7536
NSN 6145-00-038-3369
NSN 4140-01-309-1368
NSN 5925-01-414-4678
NSN 6135-01-226-4071
NSN 6240-01-289-9898