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 6105-00-541-8472
NSN 2925-00-925-0545
NSN 5975-01-200-6048
NSN 5990-01-432-4249
NSN 5945-01-386-5505
NSN 5915-01-651-4978
NSN 5950-00-104-8591
NSN 5960-01-024-7918
NSN 5996-01-304-9119
NSN 6110-01-468-0157
NSN 5855-01-534-7940
NSN 6320-01-372-8671