DIAMETER: 96.30mm + 0.00mm /- 0.05mm
THICKNESS: 4.00mm +/- 0.10mm
PARALLELISM: 0.002 MAXIMUM T.I.R.
EDGE BEVEL: 0.010″ MAXIMUM FACE WIDTH, 2 PLACES.
FLATNESS: 1/4 WAVE MAXIMUM @ 633um, 2 FACES.
SURFACE FINISH: 40-20 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 80.00mm MINIMUM DIAMETER.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001).
COATING: NONE, NOT REQUIRED.