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 5855-00-610-4052
NSN 5935-00-107-8287
NSN 6150-01-349-3542
NSN 5985-01-525-5939
NSN 6240-01-285-7616
NSN 5950-00-189-9177
NSN 6105-01-123-8887
NSN 6620-01-633-8443
NSN 6320-00-513-8376
NSN 6220-00-227-8209
NSN 6135-00-840-6451
NSN 5925-00-431-3256