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 5945-01-209-2723
NSN 5960-00-322-5394
NSN 4140-00-643-3744
NSN 6320-01-514-6141
NSN 6645-01-468-4990
NSN 2925-00-560-8106
NSN 5990-01-097-4721
NSN 6650-00-977-7533
NSN 5999-01-141-4994
NSN 5925-00-290-4451
NSN 6620-01-019-6952
NSN 6645-00-922-8312