| GENERAL CHARACTERISTICS ITEM DESCRIPTION | GLASS,VYCOR CLEAR,80/50 FINISH,FINISH COAT TO PROVIDE A RED TRANSMISSION OF 610 TO 670 NANOMETERS,0.805 IN. MIN. 0.810IN. MAX OD,0.057 IN. MIN 0.067 IN. MAX THK,0.010 IN. MIN 0.015IN. MAX BY 45 DEG CHAMFER BOTH SIDES |