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 6620-00-560-4406
NSN 6320-01-388-1067
NSN 6105-01-466-2928
NSN 5960-01-586-2954
NSN 5905-01-502-8458
NSN 5855-01-486-9924
NSN 6645-00-038-7737
NSN 6610-00-118-9694
NSN 5950-00-460-1262
NSN 6320-01-473-9024
NSN 6145-01-463-3481
NSN 6105-00-901-6826