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 6650-00-098-6128
NSN 6130-01-251-5179
NSN 5855-01-049-3703
NSN 5835-00-792-8438
NSN 5945-00-606-1227
NSN 5910-00-853-6762
NSN 5945-01-542-5412
NSN 5965-00-825-6734
NSN 5965-01-252-8701
NSN 5998-01-391-7498
NSN 5835-01-106-1456
NSN 6150-01-361-4352