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 6220-01-487-3904
NSN 6320-01-451-0821
NSN 4140-00-613-9209
NSN 5920-00-204-8125
NSN 6650-01-597-2536
NSN 6610-01-365-7796
NSN 5905-01-393-9799
NSN 5960-00-843-8063
NSN 6645-01-282-3624
NSN 5945-01-616-4302
NSN 5910-01-027-9571
NSN 6620-01-013-5432