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 5945-01-053-3279
NSN 5905-01-367-2819
NSN 5975-01-229-8786
NSN 4140-01-430-7170
NSN 6110-01-546-9754
NSN 6130-01-551-3906
NSN 5930-01-215-1476
NSN 5905-00-363-9689
NSN 5985-00-814-0246
NSN 5945-00-222-5876
NSN 6650-01-413-0133
NSN 5835-01-182-1966