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 5905-00-426-5355
NSN 5915-00-137-3010
NSN 6620-01-435-7083
NSN 5999-01-487-3564
NSN 5835-01-364-6830
NSN 6220-01-293-1322
NSN 6320-01-573-6490
NSN 5965-00-959-4910
NSN 6135-00-897-8666
NSN 6650-00-164-7480
NSN 6685-01-207-6736
NSN 6645-00-279-1777