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: Nuts of iron or steel
NSN 6620-00-900-3986
NSN 6130-00-361-7114
NSN 4140-01-534-9987
NSN 7035-01-403-2841
NSN 5990-00-107-0835
NSN 6240-01-068-3491
NSN 5960-01-478-9493
NSN 5920-00-904-7353
NSN 6110-01-121-0029
NSN 5910-00-308-6456
NSN 5945-01-119-8402
NSN 6610-01-409-1781