DIAMETER: 2.050″+/-.010″
THICKNESS: 0.048″+/-.003″
PARALLELISM: NOT SPECIFIED.
EDGE BEVEL: 0.015″NOMINAL EDGE BREAK, 2 PLACES.
FLATNESS: 10 WAVES MAXIMUM WTIHIN C.A., 2 FACES.
SURFACE QUALITY: 80-50 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 1.800″DIAMETER, 2 FACES.
MATERIAL TYPE/QUALITY: FLOAT GLASS.
COATING: NONE, NOT REQUIRED.