L X W: 126.00mm X 85.00mm + 0.00mm /- 0.10mm
THICKNESS: 2.54mm +/- 0.05mm
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 10 WAVES/INCH MAXIMUM, 2 FACES.
SURFACE FINISH: 80-50 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: M-PLANE
COATING: NONE, NOT REQUIRED.