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 6645-01-414-8806
NSN 6105-00-103-2193
NSN 5990-01-019-3447
NSN 5915-01-283-2995
NSN 5965-01-385-4235
NSN 5960-01-157-4509
NSN 5935-01-007-0528
NSN 6650-01-016-0406
NSN 5835-01-463-2334
NSN 5990-01-009-3634
NSN 6650-01-415-8984
NSN 6685-00-346-5014