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 6220-00-925-2233
NSN 6645-01-620-4837
NSN 6650-01-446-1160
NSN 5895-01-189-6167
NSN 6105-00-917-9869
NSN 6135-00-271-0407
NSN 4140-01-439-2631
NSN 5996-00-932-5301
NSN 5950-01-254-6067
NSN 5996-01-181-5438
NSN 5999-01-373-8241
NSN 5905-01-237-5934