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 5935-00-269-2766
NSN 5990-01-463-5400
NSN 5950-01-010-3864
NSN 5855-01-406-4821
NSN 5935-01-604-9133
NSN 4140-01-194-4101
NSN 6220-01-420-3392
NSN 5950-01-592-1583
NSN 6320-01-622-5493
NSN 5910-01-049-9150
NSN 5930-01-648-1539
NSN 6130-01-506-6374