CONFIGURATION: PLATE, PLANE-PARALLEL
LENGTH: 77.00mm +/- 0.10mm
WIDTH: 15.50mm +/- 0.10mm
THICKNESS: 3.00mm +/- 0.05mm
PARALLELISM: 3 ARC MINUTES MAXIMUM.
CORNER BEVELS: 2.00mm +/- 0.10mm X 45deg, 4 PLACES
EDGE BEVELS: LIGHT PROTECTIVE BEVEL, ALL EDGES.
SURFACE ACCURACY: 10 WAVES PER 25 MAXIMUM @ 633nm
WITHIN CLEAR APERTURE, 2 FACES.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 73mm X 15mm RECT.AREA.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM.
COATING: NONE, UNCOATED SUBSTRATE.