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 5965-01-142-7862
NSN 5895-01-422-3136
NSN 5998-01-487-8385
NSN 2925-01-285-7163
NSN 5990-01-327-1558
NSN 6130-00-522-5489
NSN 6645-00-816-5337
NSN 5835-01-553-4894
NSN 5855-01-020-7982
NSN 6650-00-717-8913
NSN 5950-01-241-0274
NSN 6645-01-547-0300