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 6685-00-158-5584
NSN 5930-01-360-2162
NSN 5950-01-502-5342
NSN 5905-01-543-6732
NSN 5905-01-315-2691
NSN 4140-01-290-7409
NSN 2925-01-327-3069
NSN 6320-01-052-2118
NSN 6145-01-261-1940
NSN 5950-00-862-5278
NSN 4140-00-132-5191
NSN 5905-01-371-4145