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 6220-01-320-2641
NSN 6645-00-960-6594
NSN 6220-01-319-9689
NSN 6610-00-879-2788
NSN 6320-00-004-9158
NSN 6110-00-719-7209
NSN 6685-00-284-2244
NSN 6320-01-352-5653
NSN 6610-01-200-6861
NSN 6320-01-627-1594
NSN 5965-01-433-1974
NSN 6645-00-019-0554