DIAMETER: 0.560″+/-.002″
THICKNESS: 0.040″+/-.002″
PARALLELISM: 0.001″/INCH MAXIMUM T.I.R.
PERPENDICULARITY: 0.001″/INCH MAXIMUM T.I.R.
FLATNESS: 10 WAVES/INCH MAXIMUM, 2 FACES.
EDGE BEVEL: 0.005″/0.010″ X 45deg, 2 PLACES.
SURFACE FINISH: 80-50 OR BETTER PER MIL-PRF-13830,
2 FACES.
CLEAR APERATURE: 0.504″ MINIMUM DIAMETER, BOTH
FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: ANTIREFLECTIVE COATED FOR MAXIMUM
TRANSMISSION IN THE VISIBLE SPECTRUM,
APPLIED TO BOTH FACES.