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 6130-01-141-1314
NSN 5935-00-071-4769
NSN 5996-01-351-6485
NSN 5985-01-147-2835
NSN 6320-01-078-8257
NSN 5920-01-376-4422
NSN 5930-01-160-7126
NSN 6320-01-119-3935
NSN 5935-01-224-8365
NSN 5895-00-482-7335
NSN 5965-01-160-7037
NSN 6135-01-400-2947