Pressed in counterbored hole and oil level stenciled on glass front
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 5965-01-392-9343
NSN 5960-00-398-1029
NSN 6610-01-218-6246
NSN 6650-00-133-7884
NSN 6650-01-328-5135
NSN 5835-01-388-5198
NSN 6610-01-034-0798
NSN 6650-00-518-5194
NSN 6610-01-112-8137
NSN 5999-00-942-9927
NSN 5925-01-011-2202
NSN 5975-01-521-6435