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 6650-01-471-4663
NSN 5930-00-265-3742
NSN 5990-01-258-3848
NSN 5920-00-524-2291
NSN 6610-01-142-3633
NSN 6610-01-266-0880
NSN 5925-00-889-4990
NSN 5945-00-269-5375
NSN 5835-01-331-5735
NSN 6145-00-323-6021
NSN 6130-01-634-0603
NSN 7035-01-029-7221