Infra-red reflective metal coating transparent to visible light
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 6135-00-087-5300
NSN 5945-01-422-0381
NSN 5999-00-051-3214
NSN 6150-00-671-8782
NSN 6645-00-089-8842
NSN 6610-01-262-5968
NSN 5996-01-125-5781
NSN 5930-01-243-3459
NSN 6150-00-712-8212
NSN 5930-01-488-1254
NSN 5910-01-523-2968
NSN 5996-01-252-5777