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 6320-00-322-3460
NSN 5905-01-383-7161
NSN 5910-01-566-3296
NSN 5910-00-833-9550
NSN 7035-01-123-0085
NSN 5855-01-353-3958
NSN 5895-01-459-8632
NSN 6620-01-349-8685
NSN 6220-01-461-2910
NSN 5945-01-374-5640
NSN 5930-01-060-1365
NSN 4140-01-512-8528