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 5998-00-801-7925
NSN 5935-01-395-1580
NSN 2925-00-808-5077
NSN 5996-01-200-7282
NSN 6135-01-268-7056
NSN 6620-00-467-7414
NSN 6620-00-923-5137
NSN 5999-01-394-5186
NSN 5975-01-607-6582
NSN 6650-01-551-6866
NSN 6145-00-104-7789
NSN 6685-00-526-9433