| GENERAL CHARACTERISTICS ITEM DESCRIPTION | CARBORUNDUM CO REFRACTORIES DIV LATROBE PA BORON NITRIDE GRADE M; 0.070 IN. MIN,0.080 IN. MAX THK; 0.248 IN. MIN,0.249 IN. MAX OUTSIDE DIA; 0.165 IN. MIN,0.167 IN. MAX INSIDE DIA; 2 SLOTS AT 180 DEG,0.002 IN. TO 0.006 IN. W; INSIDE DIA CHAMPFERRED BOTH ENDS,0.010 IN. TO 0.020 IN. DEEP,40.000 DEG TO 50.000 DEG ANGLE OF CHAMPFER |