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 5935-01-281-0065
NSN 5895-00-814-7954
NSN 6150-01-209-6842
NSN 5910-01-218-5336
NSN 5925-00-230-8723
NSN 6240-01-568-3789
NSN 6145-01-194-2330
NSN 5835-00-019-1816
NSN 5999-01-526-8476
NSN 4140-01-269-8378
NSN 7035-01-121-5905
NSN 6240-01-199-0367