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 6320-01-154-1099
NSN 6150-01-364-1537
NSN 5990-01-424-2954
NSN 5905-01-117-1438
NSN 7035-00-193-2269
NSN 5985-00-574-4414
NSN 6150-01-575-0414
NSN 6650-00-409-8045
NSN 5945-01-234-6471
NSN 6620-00-079-0311
NSN 5920-01-029-4538
NSN 5835-01-555-8963