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 4140-00-602-5973
NSN 6685-01-552-5746
NSN 6610-00-102-5410
NSN 5930-01-463-9237
NSN 6240-01-158-5664
NSN 6135-00-276-7625
NSN 5950-00-226-4637
NSN 5930-00-258-1907
NSN 5915-00-719-6455
NSN 6135-01-412-0404
NSN 5998-01-341-8646
NSN 5990-00-772-9277