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 6685-01-202-7823
NSN 6685-01-132-4637
NSN 7035-01-444-9249
NSN 6320-01-659-2819
NSN 5996-00-226-5364
NSN 4140-01-135-0998
NSN 7035-01-603-2836
NSN 5960-01-413-3877
NSN 5925-01-615-1181
NSN 6645-00-061-1885
NSN 6135-01-512-8740
NSN 6150-01-364-1023