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 6650-00-361-8222
NSN 5895-01-117-8530
NSN 6240-01-347-5476
NSN 6320-01-443-8676
NSN 5975-01-284-3533
NSN 5950-01-449-3502
NSN 5920-01-493-8989
NSN 6145-01-219-7743
NSN 5998-00-913-0988
NSN 5910-00-062-7898
NSN 6105-00-807-8986
NSN 6645-00-547-4388