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 5990-00-247-0975
NSN 5999-01-526-9331
NSN 5950-00-838-8771
NSN 6220-00-523-9406
NSN 5910-00-295-6194
NSN 6105-00-035-8809
NSN 5960-01-553-4557
NSN 5855-01-423-1768
NSN 5950-01-461-7799
NSN 5998-01-496-3268
NSN 5945-01-491-8671
NSN 5910-01-051-9645