MAJOR DIAMETER: 1.250″+/-.002″
MINOR DIAMETER: 1.007″+/-.002″
OVERALL THICKNESS: 0.100″+/-.002″
MAJOR DIAMETER THICKNESS: 0.040″REFERENCE
MINOR DIAMETER HEIGHT: 0.060″+/-.002″
PARALLELISM: ALL SURFACE WITHIN 0.001″/INCH TIR.
CONCENTRICITY: DIAMETERS WITHIN 0.001″.
MAXIMUM RADIUS @ INTERSECTION OF DIAMETERS: 0.010″
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 3 PLACES.
SURFACE ACCURACY: NOT SPECIFIED.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: NONE, UNCOATED SUBSTRATE.