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 5990-01-209-1505
NSN 5950-01-128-5580
NSN 5999-01-248-9196
NSN 5965-00-768-4366
NSN 5935-01-567-2104
NSN 6650-01-573-7165
NSN 7035-01-435-4009
NSN 5998-00-811-8880
NSN 5945-01-070-0225
NSN 6240-00-082-1142
NSN 5999-00-176-2335
NSN 5935-00-739-4734