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 6620-01-538-7174
NSN 6135-01-086-8167
NSN 6105-01-503-8934
NSN 5998-01-043-2437
NSN 5835-01-422-7393
NSN 5945-00-268-8124
NSN 5950-01-419-5463
NSN 6220-00-802-6776
NSN 5920-00-384-8926
NSN 6105-00-874-1885
NSN 6685-01-655-9599
NSN 6130-01-642-9163