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 4140-01-410-7626
NSN 6240-01-567-9471
NSN 5910-00-528-9665
NSN 6130-01-535-2195
NSN 6650-01-399-8552
NSN 5905-00-935-7840
NSN 4140-01-377-3471
NSN 5835-00-912-5656
NSN 5996-01-475-2261
NSN 5999-01-230-2889
NSN 6650-01-082-9046
NSN 6110-01-137-3006