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 6145-01-013-6116
NSN 5855-00-631-4565
NSN 6150-00-291-1868
NSN 6645-01-350-3138
NSN 5895-00-457-0571
NSN 4140-00-256-9913
NSN 5910-01-461-7673
NSN 5855-01-515-7005
NSN 5915-01-264-0184
NSN 5930-01-126-2880
NSN 5920-01-239-2038
NSN 5945-00-647-3807