Diameter: 0.297″+/-.001″
Thickness: 0.150″+/-.005″
Parallelism: 3 Arc Minutes Maximum.
Edge Bevel: Light Protective Bevel, Both Edges.
Surface Accuracy: 10 Waves/inch Maximum, Both Faces.
Surface Quality: 80-50 Per MIL-PRF-13830, Both Faces.
Material Type / Quality: Sapphire, Optical Grade.
Crystallographic Orientation: c-Plane
Coating: None, Not Required.