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.)
NSN 7035-01-440-8877
NSN 5945-00-468-7995
NSN 7035-01-191-2822
NSN 6110-01-565-9671
NSN 5950-01-064-6347
NSN 6685-01-332-9680
NSN 5910-01-502-9178
NSN 5999-00-023-9723
NSN 2925-00-246-3077
NSN 6610-00-022-0111
NSN 5998-01-162-8294
NSN 5990-00-212-4316