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 6650-01-606-9209
NSN 5925-01-394-7251
NSN 6220-01-508-8223
NSN 5920-01-473-4693
NSN 6220-00-776-2614
NSN 5990-00-650-9008
NSN 5960-01-037-9432
NSN 5895-00-108-8474
NSN 5835-00-503-2608
NSN 7035-01-590-4013
NSN 6130-00-824-7120
NSN 6135-00-016-0071