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 5998-01-279-4389
NSN 5855-00-631-4565
NSN 6240-01-313-8253
NSN 6610-00-102-9226
NSN 5915-01-345-6912
NSN 5950-01-516-1171
NSN 6130-01-127-2892
NSN 5985-01-649-5473
NSN 6105-00-962-9003
NSN 6650-01-482-4284
NSN 5915-01-198-9177
NSN 4140-00-733-7936