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 5855-00-337-3679
NSN 5999-01-381-1389
NSN 5910-01-302-2898
NSN 7035-01-506-4337
NSN 6650-00-153-3155
NSN 5990-00-925-6614
NSN 5895-01-025-5531
NSN 5945-00-802-4579
NSN 6105-01-610-6109
NSN 5895-00-276-0596
NSN 6685-00-575-4647
NSN 5920-01-469-9743