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 5965-01-502-9684
NSN 6105-01-426-1528
NSN 6620-01-319-2667
NSN 6645-00-900-5830
NSN 5895-01-242-5201
NSN 5915-01-650-3482
NSN 5975-00-919-3715
NSN 6645-01-381-2050
NSN 5945-00-228-2342
NSN 6130-01-447-9788
NSN 5910-01-429-8980
NSN 6650-01-433-3520