DIAMETER: 0.480″+.000″/-.005″
THICKNESS: 1.00mm +/- 0.05mm
PARALLELISM: 10 ARC SECONDS MAXIMUM.
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM @ 633um WITHIN
CLEAR APERTURE, 2 FACES.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 0.430″ MINIMUM DIAMETER,
2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001)
COATING: NONE, UNCOATED SUBSTRATE.