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 6240-01-350-3533
NSN 6105-01-441-2255
NSN 5835-01-566-5462
NSN 5895-00-385-9003
NSN 5999-01-200-5982
NSN 5905-01-437-6408
NSN 5905-01-422-0127
NSN 5999-01-141-6859
NSN 6135-00-284-1406
NSN 6320-01-441-2438
NSN 5945-01-581-1563
NSN 6135-01-167-0759