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 5975-01-521-3494
NSN 6620-01-107-2965
NSN 6135-00-474-1397
NSN 5925-01-475-1190
NSN 5910-01-303-6829
NSN 6150-00-558-5508
NSN 5835-01-174-7700
NSN 5999-01-381-4792
NSN 5905-01-450-5794
NSN 5835-01-209-6410
NSN 6110-01-075-3729
NSN 6220-01-158-2871