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 5990-01-463-2279
NSN 5925-01-230-4059
NSN 6135-00-170-8819
NSN 6135-01-317-6021
NSN 6145-01-005-4654
NSN 5999-01-381-2457
NSN 6610-01-278-9704
NSN 6110-00-994-1791
NSN 5895-00-138-0648
NSN 6320-00-937-5625
NSN 6650-01-032-1786
NSN 5990-01-615-7823