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 5925-01-058-4970
NSN 5930-01-586-3500
NSN 5930-01-054-3229
NSN 6130-01-227-9683
NSN 2925-01-004-5627
NSN 5950-00-471-3225
NSN 5905-01-502-9940
NSN 6220-00-244-2040
NSN 6135-01-255-9129
NSN 5990-00-033-8128
NSN 6105-01-379-0603
NSN 6645-01-227-2036