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 5999-00-279-1580
NSN 7035-01-202-9250
NSN 5895-01-418-0850
NSN 6240-01-576-0884
NSN 5998-00-529-2551
NSN 6320-01-466-4175
NSN 5990-01-608-3505
NSN 5855-01-435-5548
NSN 5835-00-233-6327
NSN 4140-00-630-2153
NSN 6110-00-510-3788
NSN 4140-00-810-1973