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 5965-01-513-9978
NSN 5925-01-482-1598
NSN 7035-00-849-5526
NSN 5910-01-006-9795
NSN 6620-01-239-7554
NSN 5990-01-633-9503
NSN 6610-01-062-9994
NSN 6150-01-650-3329
NSN 5905-01-486-9643
NSN 5930-01-313-9607
NSN 6620-01-451-8989
NSN 6130-01-427-9604