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 5990-00-702-1990
NSN 6150-01-634-0575
NSN 6610-00-008-3043
NSN 5835-00-681-0005
NSN 7035-00-206-6123
NSN 5855-01-541-8659
NSN 6150-01-083-6566
NSN 6620-01-478-6790
NSN 5996-00-789-5233
NSN 4140-00-679-9512
NSN 5915-01-066-1980
NSN 5960-00-304-8668