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 5960-01-344-2604
NSN 6150-01-392-2620
NSN 5975-00-967-5922
NSN 5990-01-548-5979
NSN 5945-01-529-9983
NSN 5945-01-091-0281
NSN 5945-01-547-0002
NSN 5905-01-267-7112
NSN 6240-01-038-3761
NSN 5998-00-495-9160
NSN 5920-01-381-1306
NSN 5950-01-524-0568