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 6620-01-078-6372
NSN 5960-01-443-3067
NSN 5996-01-586-4061
NSN 6135-01-448-9474
NSN 5905-00-034-5923
NSN 5895-01-263-0224
NSN 2925-01-194-9737
NSN 5960-01-570-8605
NSN 6130-01-084-5304
NSN 2925-01-397-8028
NSN 5920-01-449-1793
NSN 5920-01-568-7192