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 5905-01-518-9939
NSN 6145-01-113-8205
NSN 5895-01-033-0887
NSN 5835-01-416-6449
NSN 5930-01-363-4237
NSN 5920-01-449-1321
NSN 5999-01-401-5322
NSN 2925-00-963-0943
NSN 6145-01-505-2560
NSN 6240-01-320-9781
NSN 6240-01-433-9410
NSN 4140-01-311-8812