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 5965-01-013-0290
NSN 5960-01-406-4136
NSN 5895-00-216-5849
NSN 5975-01-349-1897
NSN 5985-01-369-7845
NSN 6320-00-593-0379
NSN 5975-00-941-6091
NSN 5930-01-433-3142
NSN 6105-01-089-8653
NSN 5985-00-934-9694
NSN 5895-01-060-7073
NSN 5910-00-170-7914