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 5996-00-060-3289
NSN 5999-01-109-7864
NSN 5950-01-474-6085
NSN 5990-00-391-6207
NSN 6240-00-275-1950
NSN 5990-00-275-7819
NSN 6320-00-583-3105
NSN 6240-01-486-3715
NSN 6220-01-487-3904
NSN 5925-01-435-5869
NSN 5895-00-499-4469
NSN 5935-00-389-7160