CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 13.00mm + 0.00mm /- 0.10mm
THICKNESS: 2.00mm +/- 0.12mm
PARALLELISM: 1 ARC MINUTE MAXIMUM.
EDGE BEVELS: LIGHT PROTECTIVE BEVEL, 2 PLACES.
CLEAR APERTURE: CENTRAL 11.70mm MINIMUM DIAMETER.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM @ 633um WITHIN
CLEAR APERTURE, 2 FACES.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001)
COATING: NONE, UNCOATED SUBSTRATE.