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 5975-01-485-5749
NSN 6110-01-507-7117
NSN 5965-01-179-4846
NSN 6650-00-262-2324
NSN 6610-00-506-1977
NSN 6650-01-370-5265
NSN 5920-01-101-6627
NSN 5855-00-411-8688
NSN 4140-01-393-7455
NSN 6150-01-332-2672
NSN 6645-01-651-9562
NSN 6610-00-251-7073