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 5910-01-219-5951
NSN 5975-00-531-9746
NSN 6320-01-274-8886
NSN 6620-01-197-7665
NSN 6685-01-173-0503
NSN 5945-00-513-2619
NSN 5910-01-376-4607
NSN 6150-01-128-5596
NSN 5950-00-725-3283
NSN 5998-01-651-7656
NSN 5996-00-151-4462
NSN 5998-01-158-5451