Edge tin plated over platinum plated
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 6685-01-595-1525
NSN 6105-01-011-8560
NSN 5950-01-004-7266
NSN 6105-01-415-1422
NSN 5996-00-361-9901
NSN 5915-00-205-1420
NSN 5990-01-361-1620
NSN 5945-01-249-1310
NSN 5990-01-534-8609
NSN 6620-00-292-7000
NSN 5950-01-134-9111
NSN 5998-01-492-9881