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 6620-01-359-3920
NSN 7035-01-623-0834
NSN 6320-01-323-7565
NSN 6645-01-534-5545
NSN 6150-00-189-0292
NSN 5975-00-718-6039
NSN 5999-01-277-7384
NSN 5930-01-521-4402
NSN 6620-01-425-2517
NSN 5965-01-040-4178
NSN 5975-01-021-7584
NSN 5996-01-411-7511