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 6650-00-899-1774
NSN 5950-01-051-6081
NSN 6650-01-069-2501
NSN 5895-01-119-3226
NSN 5910-00-937-0660
NSN 5905-00-940-3002
NSN 5910-01-384-1643
NSN 4140-00-187-6086
NSN 6610-01-349-6333
NSN 5975-01-415-0918
NSN 5855-01-100-3272
NSN 2925-00-141-9748