W-0520-Z-UC

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 0.500"+.000"/-.005"
THICKNESS: 0.200"+/-.005"
PARALLELISM: 5 ARC MINUTES MAXIMUM
FLATNESS: 1/4 WAVE MAXIMUM AT 0.633um, 2 FACES.
SURFACE QUALITY: 20-10 PER MIL-PRF-13830, 2 FACES.
SURFACE ROUGHNESS: < 15 ANGSTROMS RMS, 2 FACES.
MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE
COATING: NONE, UNCOATED SUBSTRATE.