Material is copper c2700
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 2925-01-595-4345
NSN 6105-01-308-1543
NSN 6130-01-095-4536
NSN 5960-00-883-0971
NSN 5935-00-792-4858
NSN 5930-01-140-5001
NSN 6135-00-927-5848
NSN 6145-00-727-6736
NSN 6135-00-885-6003
NSN 5950-01-497-6980
NSN 5950-01-384-6352
NSN 5996-01-412-0813