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 5905-00-320-6787
NSN 6145-00-921-7990
NSN 6110-00-232-5406
NSN 6105-01-343-2954
NSN 6650-01-315-9728
NSN 5910-00-009-6342
NSN 5975-01-157-5933
NSN 6150-00-197-3709
NSN 5835-00-269-2232
NSN 5985-00-897-9668
NSN 6220-00-251-3564
NSN 5999-01-424-2950