DIAMETER: 0.3540″+/-.0010″
THICKNESS: 0.0468″+/-.0010″
PARALLELISM: 5 ARC MINUTES MAXIMUM.
FLATNESS: 1/4 WAVE MAXIMUM, 2 FACES.
SURFACE FINISH: 20-10 PER MIL-O-13830, 2 FACES.
MATERIAL QUALITY: OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM