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 7035-01-381-6185
NSN 2925-00-078-0525
NSN 6150-01-391-5421
NSN 6650-01-399-0328
NSN 5996-01-542-5137
NSN 6220-01-116-2411
NSN 6650-00-891-9850
NSN 6240-01-542-7239
NSN 5945-01-605-5008
NSN 5960-01-478-9493
NSN 5975-00-139-5369
NSN 2925-00-716-9596