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 7035-01-377-6255
NSN 5910-01-234-1962
NSN 5925-01-227-4048
NSN 6240-01-420-8320
NSN 6650-01-200-7657
NSN 5975-01-406-1785
NSN 6145-01-319-5311
NSN 5835-00-170-5238
NSN 6145-01-579-9438
NSN 5999-00-325-4225
NSN 6130-01-046-8839
NSN 5990-01-061-5618