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 5835-00-406-8460
NSN 5975-01-469-9824
NSN 6620-01-023-2938
NSN 5998-01-166-0883
NSN 5935-01-231-1990
NSN 6135-00-248-4102
NSN 6220-00-117-4547
NSN 5910-01-605-1469
NSN 7035-01-235-2295
NSN 5945-01-424-1425
NSN 5990-01-493-4039
NSN 4140-01-319-0459