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 6320-00-238-9973
NSN 5999-00-224-4821
NSN 5945-00-393-1191
NSN 5998-01-182-8112
NSN 5925-01-620-0973
NSN 6240-01-353-3220
NSN 5910-01-269-4049
NSN 6650-01-170-4397
NSN 6650-01-328-9992
NSN 6145-00-945-8418
NSN 6645-01-359-5769
NSN 6650-01-004-1625