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 5930-00-722-2477
NSN 6320-00-284-1524
NSN 6240-01-459-7827
NSN 6645-01-655-8115
NSN 6130-00-553-8758
NSN 6105-00-225-2544
NSN 6240-01-329-4978
NSN 5855-01-068-3683
NSN 5998-00-807-4486
NSN 6135-01-111-1495
NSN 5855-00-494-9581
NSN 6110-01-530-4815