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 5930-00-375-6755
NSN 5990-00-406-4991
NSN 2925-00-984-7525
NSN 6150-00-335-7189
NSN 5905-01-479-4861
NSN 6240-00-155-7836
NSN 5930-01-579-4760
NSN 5925-01-436-4943
NSN 5915-01-146-3629
NSN 5930-00-435-5188
NSN 6145-01-289-5492
NSN 5855-00-361-0167