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 5935-00-771-9166
NSN 5990-01-455-8035
NSN 5920-01-309-2364
NSN 6105-01-521-5601
NSN 6135-01-519-7879
NSN 5960-01-226-0342
NSN 5915-01-396-8695
NSN 6220-01-385-6134
NSN 6620-00-449-1973
NSN 6240-01-371-3020
NSN 5905-01-270-7284
NSN 5935-01-313-4441