45.0 degrees by 0.047 in deep chamfer on edge of both sides
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 6645-00-403-4947
NSN 6650-01-104-7818
NSN 6645-01-239-4619
NSN 5855-00-821-7512
NSN 6150-01-328-6206
NSN 5999-01-166-8172
NSN 6110-01-400-4207
NSN 5998-01-587-0958
NSN 5965-01-648-4225
NSN 6130-01-217-3181
NSN 5920-01-241-7666
NSN 5910-00-040-9151