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 5835-01-515-6537
NSN 2925-01-024-2662
NSN 5999-01-304-8176
NSN 5990-01-468-1292
NSN 5996-01-537-8338
NSN 6645-01-387-4811
NSN 5990-00-518-0684
NSN 6220-00-985-0847
NSN 5905-00-239-7585
NSN 6105-01-276-5362
NSN 5996-00-890-5254
NSN 6110-01-441-9617