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 2925-01-508-4138
NSN 6135-00-803-3012
NSN 4140-00-491-5795
NSN 2925-00-251-0105
NSN 6240-00-935-7058
NSN 6220-01-251-2435
NSN 6650-01-370-0589
NSN 6110-01-175-7300
NSN 5996-01-155-8924
NSN 6150-00-081-6742
NSN 6645-01-505-5772
NSN 5915-00-232-3387