SCD3425-02A
DIAMETER: 0.331″+/-.002″
THICKNESS: 0.020″+/-.005″
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 10 WAVES/INCH MAXIMUM, 2 FACES.
SURFACE FINISH: 80-50 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: ZINC SELENIDE, OPTICAL
GRADE.