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 7035-00-104-7613
NSN 5925-01-375-2623
NSN 5998-01-381-8582
NSN 6620-00-562-6337
NSN 6135-00-539-8088
NSN 7035-01-045-7202
NSN 5965-00-445-1843
NSN 5999-01-572-6985
NSN 5975-00-811-8235
NSN 5925-00-079-6662
NSN 5975-01-097-1843
NSN 5925-00-262-5651