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 6320-01-072-2073
NSN 5960-01-157-7009
NSN 6685-00-045-5243
NSN 6610-00-553-5103
NSN 4140-00-122-6422
NSN 5965-01-585-9939
NSN 5855-01-437-6161
NSN 6685-01-512-9982
NSN 5965-01-478-3590
NSN 5855-01-389-8884
NSN 5930-01-462-5962
NSN 6645-00-155-2398