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 5905-01-634-0595
NSN 5920-00-740-3121
NSN 6130-01-079-1877
NSN 5915-00-299-2105
NSN 5915-01-221-9117
NSN 5835-01-495-0595
NSN 5975-01-381-6864
NSN 6105-01-649-9841
NSN 5855-01-254-3041
NSN 6145-00-225-8709
NSN 5855-00-089-3974
NSN 5996-00-594-8587