CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 2.950″+/-.010″
THICKNESS: 0.036″+/-.005″
PARALLELISM: 5 ARC MINUTES MAXIMUM
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES
SURFACE ACCURACY: NOT SPECIFIED.
SURFACE QUALITY: 80-50 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: NONE, NOT REQUIRED.