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 2925-01-069-5324
NSN 6645-00-456-2923
NSN 5975-01-533-0348
NSN 6150-00-233-9459
NSN 7035-00-922-5700
NSN 5910-00-533-6345
NSN 5945-00-124-2027
NSN 4140-01-470-7990
NSN 6135-00-542-6728
NSN 5996-01-633-7979
NSN 5945-00-308-8278
NSN 5925-01-602-8786