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 6145-00-959-5897
NSN 5999-01-209-6899
NSN 6220-01-451-1577
NSN 2925-01-446-6976
NSN 6650-01-031-9114
NSN 6105-00-247-8695
NSN 6610-01-208-8639
NSN 5999-00-035-4999
NSN 6220-01-505-2247
NSN 5925-01-144-4556
NSN 2925-01-027-1293
NSN 5950-01-445-1228