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 5835-01-469-6009
NSN 5945-01-224-1603
NSN 6220-01-117-2918
NSN 5855-01-316-9642
NSN 5915-01-292-6574
NSN 5975-01-460-8991
NSN 7035-01-061-4754
NSN 5910-01-069-0261
NSN 6610-00-186-9180
NSN 6130-01-198-3313
NSN 5915-01-019-6598
NSN 5999-00-859-1938