DIAMETER TOLERANCE: +.000″/-.002″
CENTER THICKNESS TOLERANCE: +/-.010″
EDGE THICKNESS: 0.239″REFERENCE ONLY.
SPHERICAL RADIUS: 4.5470″+.0220″/-.0195″(CONVEX).
PERPENDICULARITY: OD TO PLANO FACE: WITHIN.001″.
EDGE BEVEL: PLANO FACE EDGE: 0.020″/0.025″X 45deg
CONVEX FACE DEGE:0.005″/0.010″X 45deg
FOCAL LENGTH TOLERANCE: REFERENCE ONLY.
FLATNESS/SURFACE FIGURE: NOT SPECIFIED.
SURFACE FINISH: 80-50 OR BETTER, 2 FACES.
OD AND BEVEL FINISH: 32 MICRON RMS.
CRYSTALLOGRAPHIC ORIENTATION: (0001) +/- 2deg.
ISI DRAWING NO. CHANGED FROM 101B2312-02 Rev. D
NO CHANGE TO PART. 12/22/98