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 5895-00-363-1486
NSN 6685-00-186-9190
NSN 5935-01-431-7348
NSN 5915-00-915-9193
NSN 5925-01-237-3886
NSN 5985-01-313-2432
NSN 5920-00-757-1900
NSN 6220-01-362-0390
NSN 6110-00-458-2083
NSN 6130-00-180-5149
NSN 6220-01-421-4448
NSN 5895-00-144-8162