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 5999-01-634-0576
NSN 6610-01-188-8163
NSN 5999-01-135-7047
NSN 5960-01-498-0572
NSN 6150-00-659-7123
NSN 5930-00-031-0127
NSN 6240-01-155-2959
NSN 2925-00-138-5542
NSN 6650-01-412-1040
NSN 5930-01-599-5408
NSN 6145-01-541-5056
NSN 5985-00-108-8481