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 6685-00-724-4547
NSN 6130-01-091-7123
NSN 6130-00-491-8883
NSN 6320-01-554-0901
NSN 5915-00-398-0677
NSN 5996-01-264-8463
NSN 5935-00-222-1540
NSN 5985-01-360-6635
NSN 5935-00-803-6785
NSN 6610-01-330-7839
NSN 5835-01-116-2369
NSN 6645-00-994-6664