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 5935-01-656-6071
NSN 7035-01-177-2807
NSN 6130-01-003-3144
NSN 5855-00-832-9341
NSN 6130-01-104-8185
NSN 5975-00-285-0907
NSN 6650-01-110-0317
NSN 5990-01-395-4194
NSN 5920-01-445-6970
NSN 5910-01-216-0401
NSN 5925-01-581-7386
NSN 5960-01-069-8028