DIAMETER: 29.95mm +/- 0.02mm
THICKNESS: 20.00mm +/- 0.05mm
PARALLELISM: 0.02mm MAXIMUM T.I.R.
FLATNESS: NOT SPECIFIED.
SURFACE FINISH: 60-40 PER MIL-PRF-13830, 2 FACES.
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001)
COATING: NONE, NOT REQUIRED.