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 4140-01-101-9060
NSN 6610-01-651-0987
NSN 5925-01-395-7600
NSN 6685-00-453-7161
NSN 2925-01-197-7864
NSN 4140-01-161-8955
NSN 5998-00-495-6624
NSN 6650-01-375-0507
NSN 5935-01-143-3998
NSN 5905-00-919-4445
NSN 6240-00-617-9599
NSN 5855-00-479-9819