CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 0.570″+/-.009″
THICKNESS: 0.079″+/- 0.010″
PARALLELISM: 0.002″ MAXIMUM T.I.R.
EDGE BEVELS: 0.010″+/-.005″ X 45deg, 2 PLACES.
SURFACE ACCURACY: NOT SPECIFIED.
SURFACE QUALITY: 80-50 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: NOT SPECIFIED.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: NONE, NOT REQUIRED.