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 6645-01-462-2101
NSN 5996-01-400-3558
NSN 6240-00-306-9562
NSN 6240-01-584-1829
NSN 5855-01-152-5849
NSN 6145-00-826-9574
NSN 6320-01-422-1212
NSN 5998-00-187-0515
NSN 5998-01-133-5433
NSN 5945-01-433-1926
NSN 4140-01-651-9557
NSN 2925-01-394-5650