DIAMETER: 0.625″+/-.002″
THICKNESS: 0.072″+/-.002″ (LOW SIDE)
WEDGE ANGLE: 3.0 DEGREES +/- 0.25 DEGREE
EDGE BEVELS: LIGHT PROTECTIVE BEVEL, 2 PLACES.
SURFACE ACCURACY: NOT SPECIFIED.
SURFACE FINISH: 80-50 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 85% OF DIAMETER FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM.
COATING: NONE, NOT REQUIRED.