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 5990-00-876-7893
NSN 2925-01-488-1043
NSN 6240-01-352-0465
NSN 6220-00-510-7899
NSN 6130-00-907-6372
NSN 5965-00-055-8013
NSN 5930-00-786-1857
NSN 5935-00-479-0375
NSN 5985-00-240-2899
NSN 2925-01-643-8395
NSN 6110-01-190-9440
NSN 6110-01-120-2728