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 6645-01-066-3176
NSN 5999-01-175-8730
NSN 6135-00-255-1340
NSN 5895-00-518-4954
NSN 5930-01-393-3258
NSN 5905-01-208-9591
NSN 5920-01-253-9816
NSN 5965-00-217-1178
NSN 5975-01-528-8151
NSN 6150-01-052-2925
NSN 5965-00-170-5254
NSN 5960-01-201-5804