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 5895-00-895-7979
NSN 6220-01-518-5203
NSN 5999-01-475-7978
NSN 5920-00-727-0801
NSN 5910-00-413-2630
NSN 6645-00-092-5091
NSN 5910-01-539-6005
NSN 5910-01-255-8836
NSN 6610-00-978-5133
NSN 6130-00-156-3029
NSN 5999-01-067-4958
NSN 5975-01-401-5355