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 4140-00-407-1326
NSN 6320-00-564-2772
NSN 5910-01-311-3070
NSN 5999-00-240-2498
NSN 5895-01-252-8089
NSN 5945-01-484-9325
NSN 5965-00-153-5216
NSN 5855-01-317-5354
NSN 6240-01-294-6469
NSN 5895-01-120-2000
NSN 5996-01-107-8474
NSN 6135-01-643-7496