Top curved at 10.000 in. Radius
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 5920-01-523-3231
NSN 5920-00-736-7882
NSN 6645-00-137-7699
NSN 5935-01-313-7186
NSN 5945-01-310-3277
NSN 6135-00-152-8729
NSN 5998-01-485-9856
NSN 6130-00-628-7799
NSN 5999-00-016-6186
NSN 5905-01-159-1610
NSN 5855-00-189-6066
NSN 6610-00-245-6177