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 5975-01-580-2794
NSN 5915-01-533-5010
NSN 5999-00-997-4099
NSN 6220-01-167-1805
NSN 6145-00-553-8196
NSN 6145-01-465-4770
NSN 5998-01-550-8814
NSN 6150-01-461-2615
NSN 6135-00-248-4102
NSN 6135-01-255-9129
NSN 5835-00-567-7887
NSN 5950-01-231-7013