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 5925-01-158-5008
NSN 6220-01-192-5423
NSN 5930-01-157-9824
NSN 6150-01-248-8481
NSN 5910-01-316-1981
NSN 6240-00-698-5822
NSN 5998-01-266-4895
NSN 5835-01-192-4165
NSN 6240-01-461-8193
NSN 6685-01-432-2579
NSN 6240-01-628-5803
NSN 5930-00-946-7283