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 5975-01-270-0394
NSN 6620-01-587-5230
NSN 5965-00-826-1841
NSN 5965-00-055-8013
NSN 6645-01-016-1306
NSN 5985-01-332-7183
NSN 5855-00-327-2061
NSN 6130-00-831-8264
NSN 6105-01-644-1551
NSN 6105-01-633-8511
NSN 5855-01-147-4785
NSN 6130-01-062-6250