Diameter: 76.20mm +/- 0.20mm
Thickness: 5.00mm +/- 0.20mm
Edge bevels: 0.50mm +/- 0.20mm x 45 Degrees, Both Edges
Parallelism: 10 Arc Seconds Maximum
Transmitted Wavefront Error: Peak-to-Valley: 0.075 Wave Maximum @ 633nm
RMS: 0.014 Wave Maximum @ 633nm
Surface Rougness: 0.70nm RMS Maximum, Both Faces
Surface Quality: 10-5 Per Mil-PRF-13830, Both Faces
Clear Aperture: Central 73.20mm of Diameter, Both Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required
See Drawing A10-E301722 for Additional Requirements