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 5990-01-330-4552
NSN 5985-01-162-2645
NSN 5945-01-215-7928
NSN 5985-00-135-7118
NSN 6620-01-310-4916
NSN 6145-00-146-7408
NSN 6685-01-567-5073
NSN 5990-01-318-3238
NSN 5990-01-234-8646
NSN 5950-01-603-5507
NSN 5998-01-120-5100
NSN 5945-01-466-4216