CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 8.40mm +/- 0.05mm
THICKNESS: 0.60mm +/- 0.05mm
PARALLELISM: CONTROLLED BY THICKNESS TOLERANCE.
EDGE BEVELS: LIGHT PROTECTIVE BEVELS, 2 PLACES.
SURFACE ACCURACY: NOT SPECIFIED.
SURFACE QUALITY: 80-50 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: NONE, NOT REQUIRED.