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 5998-00-280-7270
NSN 6105-00-917-6898
NSN 2925-00-315-8442
NSN 6610-01-541-2730
NSN 5960-00-778-6167
NSN 5985-00-155-5991
NSN 6145-01-327-3328
NSN 5998-01-345-3709
NSN 5999-00-470-7849
NSN 6650-00-356-8405
NSN 6620-00-416-4131
NSN 5998-01-047-0672