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 6220-00-194-3827
NSN 5835-01-218-5560
NSN 6145-00-810-6131
NSN 2925-01-362-2515
NSN 5915-00-318-8872
NSN 5930-01-463-3423
NSN 5930-01-632-7369
NSN 5895-00-222-1658
NSN 6130-01-400-6123
NSN 6610-01-296-3796
NSN 4140-00-277-4184
NSN 5905-00-449-4910