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 6110-00-477-2299
NSN 5945-00-131-6699
NSN 5950-01-550-3829
NSN 5925-01-260-1821
NSN 5855-00-943-3894
NSN 6620-01-246-4314
NSN 6105-00-191-0598
NSN 5985-01-087-2034
NSN 6650-01-433-0837
NSN 5965-00-138-6768
NSN 6130-01-045-2324
NSN 6150-01-341-9217