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 5920-00-226-0227
NSN 6610-01-528-5750
NSN 5975-00-942-1925
NSN 5985-01-059-1785
NSN 5998-01-502-5839
NSN 6220-00-809-6071
NSN 2925-01-479-6491
NSN 5920-01-388-9692
NSN 5920-01-643-5512
NSN 4140-00-058-1355
NSN 6135-00-635-9187
NSN 7035-01-145-5059