Length: 7.300″+/-.005″
Width: 5.600″+/-.005″
Thickness: 0.080″+/-.005″
Corner Bevels: Light Protective Bevel, 4 Places
Edge Bevels: Light Protective Bevels, 8 Places
Parallelism: 3 Arc Minutes Maximum
Flatness: 10 Waves Per Inch Maximum @ 633nm, Both Faces
(Goal: 4 Waves Maximum @ 633nm, Both Faces)
Surface Quality: 60-40 Per MIL-PRF-13830, Both Faces.
Clear Aperture: Central 90% Rectangualr Area, Both Faces.
Material Type / Quality: Sapphire, Optical Grade.
Crystallographic Orientation: c-Plane
Coating: None, Uncoated Substrate