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 6130-01-081-6437
NSN 6150-00-666-3635
NSN 6110-01-422-1572
NSN 5999-00-832-6517
NSN 2925-01-049-8906
NSN 4140-01-650-8164
NSN 2925-01-517-8544
NSN 5965-01-463-2815
NSN 5999-00-525-4320
NSN 5835-01-624-5666
NSN 5965-00-232-7395
NSN 6620-01-449-8743