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 5996-01-215-6103
NSN 5985-01-315-4420
NSN 6110-00-934-7943
NSN 6240-01-432-0819
NSN 5905-01-101-5125
NSN 6685-01-035-9238
NSN 4140-01-309-4457
NSN 5905-01-462-2194
NSN 5975-01-493-2332
NSN 5920-01-173-2598
NSN 6240-00-292-3237
NSN 5950-00-824-2120