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 5965-00-256-8687
NSN 5905-00-183-9344
NSN 5835-00-128-0764
NSN 5935-00-052-2118
NSN 6610-00-111-3159
NSN 5895-01-527-3357
NSN 5905-01-490-4290
NSN 5930-00-854-4647
NSN 6105-00-931-0631
NSN 6135-01-463-7077
NSN 5996-01-144-4691
NSN 5935-00-204-9806