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 6110-01-461-1058
NSN 5996-01-296-4466
NSN 5996-01-451-1980
NSN 5996-01-469-3140
NSN 6645-01-084-9074
NSN 5996-01-397-6286
NSN 6220-00-364-1605
NSN 5965-00-275-0491
NSN 7035-00-327-0458
NSN 5835-00-917-7344
NSN 5855-00-198-3197
NSN 5985-01-273-2198