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 4140-01-180-9911
NSN 6650-01-604-9073
NSN 5895-01-501-9102
NSN 6105-01-179-6563
NSN 5999-00-300-0264
NSN 5895-00-812-0040
NSN 5920-01-605-2457
NSN 5965-01-367-6483
NSN 6110-01-200-5382
NSN 6145-01-550-4092
NSN 5975-00-883-5806
NSN 6650-00-557-0780