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 6150-00-889-6912
NSN 6650-01-044-9860
NSN 5905-01-608-5709
NSN 5925-01-036-3982
NSN 5925-00-153-4962
NSN 6240-00-854-1962
NSN 2925-00-474-4990
NSN 6645-00-056-1580
NSN 5835-01-395-7976
NSN 6240-01-648-0661
NSN 6650-01-620-4706
NSN 6610-01-606-2144