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 6620-01-059-0876
NSN 6650-00-025-0589
NSN 6105-00-004-1276
NSN 5905-01-421-4421
NSN 5990-01-264-9759
NSN 5945-01-300-3759
NSN 6240-01-643-7333
NSN 7035-00-368-0444
NSN 6105-00-707-7498
NSN 6105-01-524-6854
NSN 6620-00-185-1671
NSN 5920-00-672-5583