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 5835-01-225-0372
NSN 6130-01-346-0990
NSN 6620-01-122-0238
NSN 5990-00-893-8998
NSN 6620-00-635-7347
NSN 6150-00-643-7703
NSN 6110-01-162-8902
NSN 5985-01-236-6885
NSN 6645-00-337-8298
NSN 6130-00-487-4638
NSN 5925-01-230-3198
NSN 5930-01-509-4583