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 5905-01-197-2517
NSN 6610-00-205-7352
NSN 6150-00-080-8274
NSN 5905-01-433-2831
NSN 5930-01-201-0118
NSN 6130-01-313-8939
NSN 5835-01-011-4366
NSN 5999-00-456-0603
NSN 5960-00-222-6174
NSN 6220-01-462-4715
NSN 5965-01-429-0881
NSN 5905-01-137-8697