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 5915-01-151-4766
NSN 5935-01-372-6508
NSN 6105-01-237-9633
NSN 5965-01-450-5132
NSN 5855-00-055-1579
NSN 5960-00-013-9519
NSN 6685-01-479-3043
NSN 6110-01-015-2866
NSN 5990-01-388-0252
NSN 5925-00-010-7490
NSN 5920-00-805-4834
NSN 6135-00-702-2772