OUTER DIAMETER: 50.00mm +/- 0.25mm
INNER DIAMETER: 5.00mm + 0.25mm /- 0.10mm
CONCENTRICITY: OD TO ID WITHIN 0.05mm
SECONDARY THRU-HOLE: 2.00mm + 0.25mm /- 0.10mm
LOCATED 6.40mm +/- 0.10mm
FROM CENTER OF PART.
THICKNESS: 2.00mm +/- 0.25mm
PARALLELISM: 3 ARC MINUTES MAXIMUM
EDGE BEVELS: 0.20mm +/- 0.05mm X 45deg, 2 PLACES.
LIGHT PROTECTIVE BEVELS ON THE EDGES
OF THE (2) HOLES, 4 PLACES.
SURFACE ACCURACY: NOT SPECIFIED.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001).
COATING: NONE, NOT REQUIRED.