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 6620-01-411-5750
NSN 6650-00-849-9689
NSN 5996-01-243-4072
NSN 6620-01-422-3522
NSN 5920-01-463-6183
NSN 6145-01-154-0994
NSN 2925-00-290-7052
NSN 5998-00-931-7336
NSN 6685-00-368-9379
NSN 6130-01-611-5025
NSN 5920-01-214-0451
NSN 5925-01-371-2876