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 5999-01-575-7620
NSN 5965-01-050-8447
NSN 5985-01-069-3816
NSN 6220-01-655-0941
NSN 5965-00-256-8687
NSN 7035-01-418-5499
NSN 5950-01-081-0458
NSN 6150-00-504-7656
NSN 5965-01-195-2168
NSN 5935-01-537-4457
NSN 6240-00-732-0496
NSN 5985-00-008-2451