Description

CONFIGURATION: RECTANGULAR PLATE, PLANE-PARALLEL
LENGTH: 45.00mm +/- 0.10mm
WIDTH: 31.00mm +/- 0.10mm
THICKNESS: 3.00mm +/- 0.10mm
CORNER BEVELS: 0.50mm MAXIMUM X 45deg, 4 PLACES
EDGE BEVELS: 0.50mm MAXIMUM X 45deg, 8 PLACES.
PARALLELISM: 3 ARC MINUTES MAXIMUM
SURFACE ACCURACY: 1/8 WAVE MAXIMUM AT 0.633um
WITHIN CLEAR APERTURE, 2 FACES.
MINIMUM CLEAR APERTURE: ELIPTICAL AREA DEFINED BY
41.00mm LONG BY 25.00mm
WIDE.
SURFACE QUALITY: 80-50 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: BARIUM FLUORIDE, OPTICAL
GRADE.
COATING: NONE, NOT REQUIRED.