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 5996-01-509-4874
NSN 6320-00-977-3930
NSN 6620-01-219-9413
NSN 6110-01-127-7264
NSN 6220-01-375-2680
NSN 5945-01-553-8531
NSN 6610-01-152-2821
NSN 5990-00-822-9269
NSN 5960-01-399-4327
NSN 5910-00-870-2652
NSN 5998-01-299-4437
NSN 6135-01-167-7604