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 6320-01-097-5347
NSN 6130-01-442-6052
NSN 5855-01-425-1330
NSN 6110-00-839-8026
NSN 6610-01-584-4787
NSN 6685-01-014-5983
NSN 5996-01-406-1821
NSN 5930-00-318-0163
NSN 6685-01-590-1161
NSN 6650-01-168-8451
NSN 6135-01-554-4281
NSN 6135-00-134-6648