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 6320-01-195-5583
NSN 6220-01-510-3927
NSN 6240-01-437-8991
NSN 6645-00-629-9367
NSN 5975-00-462-9376
NSN 5999-00-493-2967
NSN 6240-01-088-0389
NSN 6610-01-036-4525
NSN 6645-01-346-4505
NSN 6620-00-955-6122
NSN 6650-01-015-1589
NSN 6650-00-590-9073