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 5965-01-168-8180
NSN 4140-00-120-1203
NSN 6240-00-731-5071
NSN 5965-00-083-8157
NSN 6240-01-195-6650
NSN 5930-00-435-6841
NSN 5945-01-142-8050
NSN 5915-01-376-8554
NSN 5945-01-519-0210
NSN 4140-01-576-4014
NSN 6240-01-424-4529
NSN 6650-00-826-7396