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 5998-01-149-4146
NSN 5965-01-030-7253
NSN 6650-01-150-8101
NSN 5999-00-209-2578
NSN 6320-00-379-4695
NSN 6150-01-180-6346
NSN 4140-01-369-8641
NSN 6145-01-369-1622
NSN 5990-01-347-1478
NSN 5945-00-185-6609
NSN 6220-01-453-7533
NSN 6240-00-114-5105