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 2925-01-253-6006
NSN 5998-01-476-9058
NSN 5985-00-243-0609
NSN 5996-01-523-8746
NSN 5930-00-822-6020
NSN 6650-00-458-2394
NSN 6620-00-064-7992
NSN 5960-01-433-7565
NSN 6110-00-257-1446
NSN 5990-01-360-2900
NSN 6105-01-366-1721
NSN 5930-00-480-3958