CONFIGURATION: PLATE, PLANE-PARALLEL
LENGTH: 0.447″+/-.005″
WIDTH: 0.407″+/-.005″
THICKNESS: 0.100″+/-.005″
PARALLELISM: 30 ARC SECONDS MAXIMUM.
SURFACE ACCURACY: NOT SPECIFIED
SURFACE QUALITY: 60/40 PER MIL-O-13830, 2 FACES
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: NONE, NOT REQUIRED.