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.)
Classification: Nuts of iron or steel
NSN 5920-01-634-0250
NSN 5835-00-554-0399
NSN 5920-00-417-8768
NSN 6130-00-452-9464
NSN 6130-01-049-6932
NSN 5975-00-789-6209
NSN 6645-00-581-9239
NSN 6110-00-766-0886
NSN 6220-01-401-5337
NSN 5925-00-998-8511
NSN 6105-01-575-6261
NSN 5935-01-115-6272