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 5996-01-314-7443
NSN 6685-00-056-9546
NSN 5998-01-242-8979
NSN 5965-01-065-5544
NSN 5985-01-017-9506
NSN 5905-01-328-9003
NSN 5855-01-601-8145
NSN 5905-00-518-2666
NSN 6620-01-385-4362
NSN 6320-01-166-3602
NSN 5960-01-058-4455
NSN 6620-01-225-2287