Surface coated with reflection-reducing film
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 6135-01-282-4326
NSN 5998-01-461-2784
NSN 5835-01-552-8365
NSN 6130-01-489-5661
NSN 5999-00-593-8817
NSN 5950-01-360-5614
NSN 5905-00-549-8996
NSN 5999-00-162-8932
NSN 5855-01-556-0263
NSN 6130-01-232-6172
NSN 5925-00-532-1112
NSN 2925-01-238-9974