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 5996-00-399-0731
NSN 5910-01-030-9213
NSN 6620-00-758-5233
NSN 6130-00-554-7852
NSN 5960-00-731-1908
NSN 5985-01-377-5264
NSN 5935-00-753-7279
NSN 6620-01-150-5072
NSN 6145-01-079-8219
NSN 5930-01-359-9533
NSN 6135-01-606-7024
NSN 6610-00-331-3460