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 6620-00-149-7557
NSN 6320-00-174-1362
NSN 5920-00-466-3950
NSN 6110-01-400-4207
NSN 7035-01-323-0164
NSN 5920-01-328-7911
NSN 6150-01-442-8047
NSN 4140-01-362-5992
NSN 6130-00-981-5473
NSN 5895-00-168-7648
NSN 6620-00-409-4975
NSN 5985-00-869-1041