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 5905-00-155-4767
NSN 6685-00-980-6027
NSN 6685-01-091-0844
NSN 5999-01-632-1913
NSN 6620-01-311-3516
NSN 6650-00-707-1417
NSN 6685-00-067-7817
NSN 6685-00-972-9526
NSN 5975-00-462-2911
NSN 5835-00-170-5238
NSN 5999-01-281-7359
NSN 5990-01-414-7618