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 6240-00-079-0112
NSN 2925-01-618-5706
NSN 5930-01-023-1571
NSN 6105-01-185-6462
NSN 2925-01-037-5383
NSN 5990-01-065-0492
NSN 5960-01-597-9591
NSN 5895-01-574-5414
NSN 5915-01-178-6203
NSN 6320-01-631-7828
NSN 5985-01-099-1517
NSN 6240-00-196-4467