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 6240-01-257-9004
NSN 6150-01-130-7424
NSN 7035-01-280-4692
NSN 5965-01-069-0391
NSN 6645-00-795-3306
NSN 6240-00-470-4662
NSN 4140-00-185-2993
NSN 6620-01-384-2105
NSN 6220-00-062-7029
NSN 5935-01-355-5944
NSN 5990-01-200-7460
NSN 6320-00-521-9350