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 6620-01-437-8193
NSN 4140-01-142-1225
NSN 7035-00-981-7216
NSN 6650-01-031-7962
NSN 5915-01-543-7031
NSN 6240-01-401-5340
NSN 6610-01-573-5949
NSN 5910-01-288-4241
NSN 5895-01-297-8008
NSN 5985-01-048-6826
NSN 6130-01-616-0370
NSN 6320-01-271-0247