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 5945-01-463-8708
NSN 5895-00-286-3788
NSN 6320-01-341-7986
NSN 5975-01-223-0003
NSN 5990-01-471-7858
NSN 5920-01-468-6807
NSN 5965-01-353-4170
NSN 5960-00-258-9292
NSN 5990-01-615-7823
NSN 5920-01-370-6343
NSN 6240-01-369-0295
NSN 5835-00-447-1924