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 5998-00-237-1038
NSN 6320-01-415-0953
NSN 5950-00-840-5677
NSN 5945-01-381-6300
NSN 5935-00-467-4631
NSN 5910-00-093-0362
NSN 5905-01-479-2230
NSN 6645-00-818-9408
NSN 6220-00-834-2838
NSN 5835-01-305-8866
NSN 5950-01-611-0083
NSN 5999-01-603-6140