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 4140-01-605-4196
NSN 5950-01-318-8083
NSN 5920-00-224-9848
NSN 6220-01-394-4972
NSN 5990-01-491-7692
NSN 5998-00-113-0037
NSN 5920-00-434-0981
NSN 6620-01-437-8193
NSN 5910-01-545-8272
NSN 5915-01-523-0164
NSN 6130-01-060-5671
NSN 5935-01-442-6139