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 6620-00-901-7848
NSN 6320-00-004-9158
NSN 5905-01-420-1751
NSN 5925-00-227-8557
NSN 5895-01-334-2423
NSN 6685-01-273-4366
NSN 5905-00-170-8113
NSN 6150-01-411-6299
NSN 7035-01-413-6697
NSN 6240-01-307-8236
NSN 6150-01-089-8055
NSN 5935-01-184-2897