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 4140-00-597-5260
NSN 6320-00-937-5625
NSN 6220-01-528-7232
NSN 5855-01-477-3241
NSN 6105-01-380-0647
NSN 5960-01-632-6576
NSN 5960-01-382-8772
NSN 6105-01-520-4831
NSN 6220-01-050-8923
NSN 5998-01-511-0434
NSN 6645-00-461-6033
NSN 2925-00-134-4827