Corners slightly rounded
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 7035-01-624-6076
NSN 5915-01-232-1976
NSN 6110-01-394-5724
NSN 6105-01-357-9080
NSN 5960-00-145-9361
NSN 6150-01-322-1167
NSN 5998-01-336-4062
NSN 5910-00-394-9524
NSN 5990-00-074-3056
NSN 6240-01-530-7485
NSN 5950-01-233-0351
NSN 5915-00-780-1944