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 6645-01-390-6520
NSN 6105-00-057-6771
NSN 2925-00-964-7128
NSN 6320-01-207-9038
NSN 5975-01-098-5238
NSN 5999-01-271-4902
NSN 6130-01-120-9818
NSN 5915-01-189-1847
NSN 5835-00-106-2120
NSN 6620-01-406-3584
NSN 5920-00-357-0260
NSN 6130-00-242-4829