CONFIGURATION: CIRCULAR SEGMENT.
ARC LENGTH: 46.10mm REF.
SEGMENT ANGLE: 54.90 DEGREES +/- 0.05 DEGREES
OUTER RADIUS: 50.00mm +/-.05mm
TRUNCATION OF ACUTE ANGLE END: 8.55mm +/- 0.05mm
OVERALL WIDTH: 41.45mm REF.
THICKNESS: 3.00mm +/- 0.05mm
PARALLELISM: 10 ARC SECONDS MAXIMUM.
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, OUTER RADIUS
AND INNER TRUNCATED EDGES. ANGULAR
EDGES TO BE SHARP WITH NO BEVELS.
TRANSMITTED WAVEFRONT: 1/3 WAVE MAXIMUM @ 633nm.
SURFACE QUALITY: 40-20 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001).
COATING: NONE, NOT REQUIRED.