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 5915-00-159-7349
NSN 6145-01-105-1235
NSN 5930-01-555-6963
NSN 6145-01-273-0077
NSN 6110-01-038-2028
NSN 6150-00-455-1331
NSN 5905-00-222-6276
NSN 5915-01-144-7696
NSN 5999-01-539-2869
NSN 6240-01-062-4517
NSN 6320-01-399-6177
NSN 5895-01-290-3887