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 5975-01-518-8281
NSN 5905-01-437-8811
NSN 5985-01-383-1572
NSN 6320-00-994-0179
NSN 6320-00-098-2858
NSN 5996-00-725-2701
NSN 5999-00-112-2982
NSN 5920-01-265-1873
NSN 6145-01-106-9646
NSN 5855-01-145-0323
NSN 5975-01-388-1746
NSN 5985-00-881-4177