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 6320-01-290-5271
NSN 5960-01-539-1956
NSN 6220-00-197-9719
NSN 5910-00-614-9277
NSN 5950-00-711-8591
NSN 6685-01-101-9005
NSN 5910-01-261-5620
NSN 5975-01-050-9018
NSN 4140-00-726-8032
NSN 5915-00-296-5031
NSN 5935-01-530-5809
NSN 5925-01-566-6828