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 6650-01-129-8343
NSN 5855-01-428-9456
NSN 5996-01-646-1264
NSN 5975-01-147-4781
NSN 5945-01-003-8106
NSN 5895-00-226-5701
NSN 5999-01-214-6802
NSN 4140-00-174-8844
NSN 5915-01-627-3811
NSN 6320-01-183-8196
NSN 6220-01-155-6521
NSN 5895-01-604-5198