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 6145-01-439-6888
NSN 5935-01-443-2026
NSN 6130-01-433-5865
NSN 5920-01-169-7888
NSN 2925-00-779-3410
NSN 6130-01-630-1870
NSN 5915-01-462-2124
NSN 6105-01-605-7622
NSN 6135-00-268-8492
NSN 5990-00-557-6190
NSN 5915-01-454-8322
NSN 5915-01-488-9469