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 5960-00-557-6951
NSN 6130-01-160-8430
NSN 5999-00-269-5320
NSN 5855-01-527-9136
NSN 5835-01-442-6482
NSN 5965-01-162-4118
NSN 5920-01-103-1401
NSN 6105-01-430-5401
NSN 5999-00-004-6442
NSN 6240-00-368-4972
NSN 6110-01-436-0936
NSN 5996-01-025-5683