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 5996-01-493-4329
NSN 5925-01-601-9516
NSN 5835-01-618-7621
NSN 5990-01-380-7815
NSN 2925-01-411-8002
NSN 6105-00-936-8156
NSN 5999-01-429-4881
NSN 5990-00-826-7928
NSN 2925-01-127-0167
NSN 5920-00-636-4713
NSN 5925-01-451-5140
NSN 5915-01-449-6531