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 5999-00-207-9849
NSN 5960-01-247-1994
NSN 5905-00-611-3329
NSN 6110-01-334-5914
NSN 5910-00-425-4432
NSN 6650-00-226-7099
NSN 5975-00-189-0093
NSN 6150-01-350-1387
NSN 6620-01-633-3169
NSN 5998-01-525-7685
NSN 5965-00-006-8004
NSN 6105-00-409-4162