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 6650-00-520-4253
NSN 5905-01-571-2902
NSN 5998-00-596-8869
NSN 5835-01-519-3834
NSN 6240-01-492-6529
NSN 6645-01-528-0318
NSN 6110-01-371-3049
NSN 5920-01-465-3560
NSN 6620-01-156-8217
NSN 5920-00-306-4872
NSN 5915-00-988-6186
NSN 5855-00-631-4565