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 6320-01-607-1491
NSN 6130-00-958-1064
NSN 5999-00-599-1705
NSN 5905-00-257-7846
NSN 6645-01-595-4323
NSN 6150-00-174-2806
NSN 5950-01-520-3732
NSN 5999-01-011-5995
NSN 6685-01-247-8432
NSN 5999-01-228-8193
NSN 5855-01-380-2708
NSN 5950-00-223-9890