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 5920-00-915-1206
NSN 6135-01-222-0703
NSN 4140-00-277-1531
NSN 5835-01-305-8866
NSN 6610-01-049-2661
NSN 5895-00-345-8018
NSN 5905-01-374-4474
NSN 5930-01-329-4854
NSN 6650-01-437-8852
NSN 5910-00-858-7615
NSN 5985-01-111-7379
NSN 5910-00-350-2251