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 6685-01-068-1600
NSN 6220-00-395-5225
NSN 5960-01-416-2544
NSN 5855-01-480-1396
NSN 6650-01-263-5412
NSN 6145-01-239-3638
NSN 6135-01-391-6515
NSN 5915-00-186-0463
NSN 5998-01-427-8462
NSN 5945-01-632-2874
NSN 5960-01-605-9921
NSN 6145-00-132-4800