Alloy steel, carbon-molybdenum grade 4 or alloy steel, chromium-molybdenum grade 7
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 6620-00-538-8746
NSN 6240-01-558-9727
NSN 5935-00-302-9203
NSN 6650-01-077-5174
NSN 6610-01-224-9414
NSN 5965-00-831-2134
NSN 2925-00-964-7128
NSN 6240-01-429-9826
NSN 5960-01-262-1399
NSN 5915-01-394-6438
NSN 5950-01-268-5936
NSN 5985-01-530-7888