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 6240-00-299-9819
NSN 6650-01-456-1225
NSN 5915-01-120-2165
NSN 6240-01-659-0229
NSN 5950-01-160-8176
NSN 5999-00-418-4298
NSN 6105-00-737-0829
NSN 6130-01-548-0603
NSN 7035-01-620-5658
NSN 6150-01-174-1915
NSN 5990-01-116-2181
NSN 6620-01-456-0529