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 5996-01-155-2467
NSN 6105-00-845-3743
NSN 5945-00-833-7745
NSN 5920-00-988-3533
NSN 5990-00-240-3135
NSN 5996-01-274-5513
NSN 6620-00-861-3828
NSN 6145-00-244-2946
NSN 5915-00-879-5892
NSN 5935-01-502-6012
NSN 5998-01-583-4240
NSN 5998-00-018-0805