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 6105-01-396-1679
NSN 2925-00-436-9837
NSN 5985-01-656-6608
NSN 5945-00-963-1291
NSN 6620-01-462-1625
NSN 5965-01-086-5692
NSN 5925-01-600-0447
NSN 5910-00-781-8667
NSN 5925-01-401-5314
NSN 5915-00-936-7572
NSN 6130-01-455-5531
NSN 5930-01-085-6557