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 2925-01-371-6853
NSN 5998-00-016-4063
NSN 6610-00-938-6567
NSN 6620-01-189-8153
NSN 5930-01-030-5742
NSN 5935-01-014-4326
NSN 6145-01-407-5938
NSN 5925-00-220-6841
NSN 6685-01-354-4982
NSN 5990-01-392-8842
NSN 6105-00-917-2254
NSN 6650-01-434-0331