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 5910-01-181-5349
NSN 5945-01-511-0435
NSN 5930-01-525-8279
NSN 7035-01-178-9354
NSN 6240-01-370-5818
NSN 5975-01-393-7372
NSN 6130-00-801-1938
NSN 5975-01-188-7901
NSN 5998-01-218-3112
NSN 5975-01-378-7099
NSN 6240-01-359-4288
NSN 5895-00-269-3848