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 6645-01-525-7493
NSN 6105-01-513-9330
NSN 5930-01-422-6868
NSN 5985-01-076-0848
NSN 5905-01-634-0595
NSN 5945-01-390-7771
NSN 5950-00-492-8447
NSN 5965-00-156-8562
NSN 5990-01-615-4129
NSN 5920-01-508-6562
NSN 5999-00-410-8187
NSN 2925-01-435-9057