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 6320-00-004-9158
NSN 5990-01-034-2390
NSN 5975-01-446-5012
NSN 5990-00-636-4218
NSN 5910-00-342-4338
NSN 5920-01-195-7254
NSN 5915-01-294-2160
NSN 6650-01-477-2124
NSN 5895-01-619-6423
NSN 6620-00-153-0982
NSN 5915-00-107-0788
NSN 5935-01-340-7930