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 5990-01-540-1619
NSN 6105-01-423-9066
NSN 5960-01-090-6979
NSN 6320-00-391-5906
NSN 5965-01-350-1890
NSN 5930-01-145-5524
NSN 5855-01-069-4742
NSN 5960-01-334-5146
NSN 6685-01-502-5930
NSN 5945-01-451-3910
NSN 5930-01-222-2335
NSN 6220-01-068-4066