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 6610-00-325-0485
NSN 6110-00-489-1177
NSN 6620-01-245-0184
NSN 5990-01-571-7468
NSN 5985-00-387-5974
NSN 5985-01-528-6434
NSN 6320-00-506-2314
NSN 5996-00-340-3645
NSN 5855-00-221-9435
NSN 5935-00-131-2214
NSN 5990-01-654-6203
NSN 5998-01-543-3449