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 5975-00-299-1202
NSN 6645-00-435-5610
NSN 6110-01-158-1247
NSN 6240-01-442-0435
NSN 5990-01-633-9503
NSN 6650-01-593-3734
NSN 6110-01-419-3561
NSN 5895-01-432-3300
NSN 6610-00-617-6056
NSN 5950-00-368-3615
NSN 6105-00-096-2849
NSN 6320-01-600-5808