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 6645-00-632-0736
NSN 5965-01-020-4104
NSN 6620-01-391-7331
NSN 6110-01-495-0771
NSN 5960-01-658-9538
NSN 5990-00-049-8887
NSN 6240-00-195-6308
NSN 5895-00-971-2288
NSN 6145-00-985-3284
NSN 6110-01-430-7238
NSN 6110-00-663-4054
NSN 6110-00-546-2139