MAJOR DIAMETER: 65.00mm +/- 0.10mm
MINOR DIAMETER: 55.00mm +/- 0.10mm
OVERALL THICKNESS: 8.00mm REF.
MAJOR DIAMETER THICKNESS: 4.00mm +/- 0.10mm
MINOR DIAMETER HEIGHT: 4.00mm +/- 0.10mm
EDGE BEVEL: 0.50mm +/- 0.10mm X 45deg, 3 PLACES.
RADIUS @ INTERSECTION OF DIA”S: 0.90mm MAXIMUM
SURFACE ACCURACY: 7 WAVES MAXIMUM WITH CLEAR
APERTURE, 2 FACES.
SURFACE QUALITY: 80-50 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
50um MAXIMUM SIZE WITH
CLUSTERS NO GREATER THAN
200um.
CRYSTALLOGRAPHIC ORIENTATION: (0001) +/- 2deg.
COATING: NONE, NOT REQUIRED.