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 6320-01-136-6842
NSN 5965-01-155-3131
NSN 5985-00-104-5981
NSN 5990-00-288-1820
NSN 6130-01-617-1207
NSN 7035-00-890-7649
NSN 6610-01-418-5787
NSN 6645-00-838-6939
NSN 5930-01-191-6399
NSN 5910-01-183-3370
NSN 5998-01-449-0475
NSN 6645-01-352-5675