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 5960-00-699-8146
NSN 5910-00-101-8273
NSN 6135-01-260-1100
NSN 5915-01-096-8540
NSN 5998-01-111-4049
NSN 5998-00-816-9752
NSN 6320-01-271-0247
NSN 5990-01-425-2175
NSN 6105-01-153-8864
NSN 5855-01-543-5011
NSN 5999-01-061-0501
NSN 5910-01-384-4899