W-0813-FS-UC

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 0.875″+.000″/-.005″
THICKNESS: 0.125″+/-.005″
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 2 WAVES MAXIMUM @ 0.633um, 2 FACES.
SURFACE FINISH: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: FUSED SILICA, STANDARD
OPTICAL GRADE.
COATING: NONE, UNCOATED SUBSTRATE.