LENGTH: 2.374″+/-.001″
WIDTH: 2.244″+/-.001″
THICKNESS: 0.1245″+/-.0005″
PARALLELISM: 10 ARC SECONDS MAXIMUM
CORNER RADIUS: 0.187″+/-.005″, 4 PLACES
EDGE BEVEL: 0.0615″ X 45deg ALL ROUND ONE SIDE TO
LEAVE A 0.063″WALL THICKNESS PLUS
BEVEL ON OPPOSITE SIDE.
0.010″ NOMINAL X 45deg ALL ROUND OTHER
SIDE.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM, 2 FACES.
(BEST EFFORT)
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001) +/- 2deg.
COATING: NONE, NOT REQUIRED.