Diameter: 1.2155″+/-.0005″
Thickness: 0.098″+/-.001″
Edge bevels: 0.015″/0.020″ x 45 Degrees, Both Egdes
Parallelism: 3 Arc Minutes Maximum
Flatness: 0.0002″ Per Inch Maximum, Both Faces
Surface Quality: 50-20 Per Mil-PRF-13830, Both Faces
OD Surface Finish: Fine Ground
Edge bevel Surface Finish: Polished
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required