HMR-302008-FS-10.6R/450-650T

LENGTH: 3.000″+.000″/-.005″
WIDTH: 2.080″+.000″/-.005″
THICKNESS: 0.082″+/-.005″
CORNER BEVELS: 0.780″+/-.005″ X 52.4deg, 4 PLACES.
EDGE BEVEL: 0.010″+/-.005″ X 45deg, ALL EDGES.
PARALLELISM: 3 ARC MINUTES MAXIMUM.
SURFACE ACCURACY: 2 FRINGES MAXIMUM, 2 FACES.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL AREA DEFINED BY 3.00″ X
2.080″ OVAL (SEE DRAWING), 2 FACES
MATERIAL TYPE/QUALITY: FUSED SILICA, MIRROR GRADE.
COATING: SEE NOTE 6 OF DRAWING SCD2587 Rev.A.
MARKING: ARROW ON EDGE POINTING TOWARDS FRONT
SURFACE COATING.