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 4140-00-953-2004
NSN 5999-01-337-3346
NSN 5999-01-576-9958
NSN 6220-01-486-6749
NSN 6150-01-613-6750
NSN 6320-01-160-7757
NSN 6645-01-232-4843
NSN 5996-01-492-1695
NSN 5895-01-168-9635
NSN 5930-01-143-7669
NSN 5996-01-093-1944
NSN 5930-01-435-9768