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 5915-01-411-5355
NSN 5960-00-111-0457
NSN 6105-00-904-7519
NSN 2925-00-928-5931
NSN 5950-01-409-2785
NSN 6685-00-508-9058
NSN 5999-00-122-0102
NSN 5835-01-492-4318
NSN 5915-00-887-8999
NSN 5965-01-032-9146
NSN 5835-01-202-9673
NSN 5996-00-478-6819