45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 6150-00-431-9694
NSN 5895-01-100-6755
NSN 5950-01-184-6408
NSN 6145-00-164-5881
NSN 5895-00-772-5947
NSN 6130-01-513-5112
NSN 5985-01-337-9198
NSN 5930-01-492-9882
NSN 5835-01-559-3824
NSN 5930-01-427-9851
NSN 6150-01-632-8253
NSN 6645-01-609-0332