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 6240-01-497-0370
NSN 6685-01-292-9772
NSN 5915-01-330-0659
NSN 6620-00-511-3355
NSN 5975-00-736-3420
NSN 5990-01-433-7886
NSN 5855-01-211-2437
NSN 5935-01-132-4814
NSN 5999-01-422-4873
NSN 6620-01-421-3370
NSN 5905-01-461-1612
NSN 6610-01-342-2319