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 4140-00-805-9531
NSN 7035-01-403-2841
NSN 5920-00-898-3090
NSN 5835-01-357-9235
NSN 5935-00-061-9580
NSN 2925-01-111-2927
NSN 5990-01-529-7307
NSN 6135-00-461-3590
NSN 5960-00-621-0535
NSN 6240-01-326-6937
NSN 5930-00-291-5400
NSN 5990-01-421-3325