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 4140-01-012-3996
NSN 5895-00-239-0458
NSN 5950-01-521-3985
NSN 5935-01-487-4805
NSN 5960-00-040-9989
NSN 7035-00-117-0418
NSN 5935-00-476-0522
NSN 6620-01-504-5756
NSN 6240-01-381-1072
NSN 6135-01-535-2307
NSN 6130-01-513-1503
NSN 6645-01-038-2829