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 5905-01-410-7780
NSN 6320-01-301-4699
NSN 5915-01-623-9082
NSN 6130-00-104-0701
NSN 2925-01-129-1261
NSN 5895-01-197-7049
NSN 5990-00-813-5620
NSN 5965-01-378-7335
NSN 6130-00-516-9343
NSN 5985-00-336-5813
NSN 7035-00-188-6674
NSN 6150-01-616-2055