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 5999-01-181-9529
NSN 5920-00-226-0227
NSN 5996-00-167-7675
NSN 5920-01-486-1105
NSN 5998-00-568-3973
NSN 5930-01-634-0659
NSN 5835-00-228-9082
NSN 5920-01-416-6211
NSN 5895-01-181-5471
NSN 5905-00-959-7517
NSN 7035-00-020-2227
NSN 5915-00-471-5186