AKSE11302040

OUTER DIAMETER: 1.250″+/-.004″
INNER DIAMETER: 0.236″+/-.004″
THICKNESS: 0.040″+/-.004″
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: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM