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 4140-00-170-5152
NSN 5930-00-048-7904
NSN 6130-01-207-7148
NSN 5930-00-740-9384
NSN 5945-00-522-1845
NSN 6645-00-893-4190
NSN 5975-01-449-1462
NSN 6650-00-424-7239
NSN 7035-01-576-1962
NSN 6610-00-911-8296
NSN 5920-00-522-4233
NSN 5935-00-115-1960