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 4140-01-067-2587
NSN 5960-01-146-0289
NSN 7035-01-106-3476
NSN 6135-01-534-3007
NSN 6150-01-389-4289
NSN 5920-01-206-3977
NSN 6320-01-094-2634
NSN 6130-01-092-2667
NSN 5915-01-560-4050
NSN 5895-01-333-7111
NSN 5996-01-333-0570
NSN 6610-00-261-8159