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 6135-01-040-1446
NSN 6150-01-411-7427
NSN 6135-00-708-0892
NSN 5985-01-368-2058
NSN 6105-00-671-5220
NSN 7035-01-048-7122
NSN 6645-00-181-1877
NSN 6240-00-936-2056
NSN 6610-00-870-1161
NSN 6645-01-221-1324
NSN 5895-01-294-5761
NSN 5950-00-615-8205