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 5975-00-264-5667
NSN 5999-00-738-6504
NSN 5945-01-607-4672
NSN 6145-01-460-4357
NSN 6620-01-461-6427
NSN 6105-00-991-1844
NSN 6240-01-380-6466
NSN 6610-00-008-9568
NSN 2925-00-845-1480
NSN 5990-00-933-5314
NSN 5985-01-481-5785
NSN 6240-01-235-8281