CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 1.500″+.000″/-.005″
THICKNESS: 0.800″+/-.005″
PARALLELISM: 3 ARC MINUTES MAXIMUM
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM @633um, 2 FACES
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: FUSED SILICA, STANDARD
OPTICAL GRADE.
COATING: NONE, NOT REQUIRED.