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 6650-01-164-5873
NSN 6220-00-510-7899
NSN 5975-01-526-3122
NSN 6650-00-408-4972
NSN 6610-01-381-8898
NSN 5895-01-288-9007
NSN 6620-00-248-6950
NSN 6145-01-300-0472
NSN 5910-00-514-2038
NSN 5996-00-960-9245
NSN 6150-01-357-6518
NSN 5925-01-123-9381