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 4140-01-414-1710
NSN 6320-01-425-1417
NSN 5930-00-899-2585
NSN 5950-01-289-0923
NSN 6150-01-580-2177
NSN 5925-00-554-4114
NSN 6620-01-510-6367
NSN 6130-01-422-2603
NSN 5910-01-184-0901
NSN 5990-01-232-9008
NSN 6135-00-164-8780
NSN 6130-01-556-7996