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 5950-01-206-3741
NSN 5990-01-525-2250
NSN 5920-00-094-0655
NSN 5999-00-101-2284
NSN 6620-00-197-5130
NSN 6220-00-833-3904
NSN 6610-00-202-5481
NSN 6320-01-384-7079
NSN 6220-01-563-4969
NSN 6150-01-391-5983
NSN 6610-00-944-2925
NSN 6135-01-619-1582