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 5905-00-752-3942
NSN 2925-01-582-2869
NSN 5855-00-135-0797
NSN 5965-00-518-0958
NSN 6685-01-561-5506
NSN 5998-01-576-9769
NSN 6130-01-299-6849
NSN 6145-01-109-1420
NSN 6650-01-046-3718
NSN 5930-01-336-3704
NSN 5915-01-566-2177
NSN 6620-00-089-9778