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 5960-00-641-8056
NSN 4140-00-871-9619
NSN 5996-01-542-1861
NSN 5905-00-889-0246
NSN 5910-01-582-1356
NSN 6220-01-134-3097
NSN 5895-01-592-0715
NSN 6650-01-365-9306
NSN 5945-01-411-2822
NSN 5950-01-018-8120
NSN 5835-01-406-4066
NSN 2925-01-624-5647