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 5920-00-468-3074
NSN 6130-00-133-7712
NSN 6685-01-568-2997
NSN 5960-01-345-3464
NSN 5990-01-372-6047
NSN 5965-00-716-7078
NSN 6220-01-116-2411
NSN 6145-00-827-4958
NSN 4140-00-320-8614
NSN 4140-01-181-3213
NSN 5975-01-523-9410
NSN 6320-00-228-5678