"MATERIAL STEEL,TOP 1.713 IN. DIA W/0.4845 IN. @DIA CENTER HOLE,ONE 0.125 IN. W SLOT BY 1.432 IN. L ON CENTERLINE AND ONE SLOT 160 DEG CLOCKWISE FROM CENTER LINE 0.344 IN. W BY 0.229 IN. LG,BOTTOM NECK 0.890 IN. DIA WITH CENTER HOLE 0.375 IN. DIA,0.240 IN. O/A TNK"