Electrically heated
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 6145-00-539-9799
NSN 5990-00-951-8367
NSN 5996-01-647-1027
NSN 6105-00-862-6805
NSN 5996-00-860-5164
NSN 6220-00-149-0977
NSN 5999-01-344-9665
NSN 6135-00-519-1325
NSN 6620-00-646-9474
NSN 5990-01-292-6000
NSN 5975-01-023-1707
NSN 5910-00-824-2785