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 5998-01-123-9198
NSN 5905-01-382-9671
NSN 5965-01-605-1753
NSN 4140-00-163-5155
NSN 5835-01-116-2369
NSN 5960-01-411-5899
NSN 5965-01-605-3878
NSN 5965-00-839-0302
NSN 5895-01-319-5828
NSN 5835-01-485-0210
NSN 6145-01-655-2334
NSN 6650-00-012-2430