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 6220-00-732-8276
NSN 6220-00-812-0515
NSN 7035-01-352-0766
NSN 6320-00-186-6452
NSN 6130-01-457-8021
NSN 6130-00-136-2486
NSN 6110-00-876-1995
NSN 6135-00-676-5807
NSN 5950-00-879-1631
NSN 5990-01-525-2250
NSN 5960-01-531-9108
NSN 5945-01-183-6793