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.)
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Turkey Classification: Nuts of iron or steel
NSN 6320-01-514-6141
NSN 6130-00-896-1897
NSN 5960-00-933-0262
NSN 5920-01-426-8517
NSN 6105-00-801-7279
NSN 6620-01-078-6372
NSN 6620-00-182-7638
NSN 5930-00-765-3138
NSN 5975-01-425-1268
NSN 6645-00-825-5677
NSN 5935-00-946-4136
NSN 6220-01-532-6880