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 6220-01-104-6604
NSN 5945-01-530-5296
NSN 4140-01-140-3814
NSN 5855-01-360-6650
NSN 5985-00-869-5347
NSN 5965-01-458-0347
NSN 5996-01-197-7005
NSN 2925-00-918-0859
NSN 5965-00-233-3851
NSN 6105-01-346-9315
NSN 5930-01-332-8471
NSN 6130-00-175-8066