CONFIGURATION: RECTANGULAR PLATE, PLANE-PARALLEL
LENGTH: 2.000″+/-.005″
WIDTH: 2.000″+/-.005″
THICKNESS: 0.1969″+/-.0050″
PARALLELISM: 10 ARC SECONDS MAXIMUM.
CORNER/EDGE BEVELS: LIGHT PROTECTIVE BEVEL ALL
CORNERS AND EDGES.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM, 2 FACES.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001).
COATING: NONE, NOT REQUIRED.