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 6150-01-182-7209
NSN 5975-01-178-0246
NSN 5990-01-443-2931
NSN 5895-01-519-9167
NSN 4140-00-907-0775
NSN 5975-01-263-3845
NSN 6620-01-445-4295
NSN 5985-01-534-9505
NSN 5910-01-442-2606
NSN 6685-00-146-9358
NSN 5925-01-043-1410
NSN 5990-01-314-2264