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 6685-01-634-0611
NSN 5965-01-023-0245
NSN 6620-00-596-1951
NSN 4140-01-381-0099
NSN 5915-01-045-5947
NSN 6220-01-634-0660
NSN 5935-01-452-8897
NSN 6145-01-177-4697
NSN 6320-00-688-9983
NSN 5999-01-068-3639
NSN 5996-01-077-4655
NSN 5945-01-116-8989