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 5935-01-176-0934
NSN 5930-00-511-6644
NSN 6240-01-366-1589
NSN 5935-01-071-3425
NSN 2925-00-155-2100
NSN 5925-00-589-6385
NSN 5965-00-925-1725
NSN 6150-01-282-2788
NSN 5835-00-257-2852
NSN 5996-01-633-7979
NSN 5855-01-103-8650
NSN 5905-00-280-1869